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危险化学品

收录危险化学品目录,并提供相应的化学品安全技术说明书(Material Safety Data Sheet,简称MSDS)。用户可获取化学品的理化参数、燃爆性能、对健康的危害、安全使用贮存、泄漏处置、急救措施以及有关的法律法规等十六项内容。为实验室安全提供重要参考。



                


* * * Section 1 - PRODUCT AND COMPANY IDENTIFICATION  * * *


Material Name: 
XYLENE



ChemADVISOR, Inc.
Stone Quarry Crossing 811 Camp Horne Road, Suite 220 Pittsburgh, PA 15237
E-mail: info@chemadvisor.com MSDS is for reference use only; please contact manufacturer for emergency response information, routine product inquiries and orders.








Chemical Family 
hydrocarbons, aromatic 



Synonyms 
DIMETHYLBENZENE; DIMETHYL BENZENE; METHYLTOLUENE; METHYL TOLUENE; TOTAL XYLENES; XYLENE (MIXED ISOMERS); XYLENE (MIXED); XYLENES; XYLOL; RCRA U239; UN 1307; C8H10










* * * Section 2 - HAZARDS IDENTIFICATION  * * *


Emergency Overview 

Color:  colorless or pale 

Change in color: Not available

Physical Form: liquid

Odor:  distinct odor 

Health Hazards:  respiratory tract irritation, skin irritation, eye irritation, aspiration hazard, central nervous system depression 

Physical Hazards:  Flammable liquid and vapor. Vapor may cause flash fire. Electrostatic charges may be generated by flow, agitation, etc. 





Potential Health Effects 
Inhalation 
Short Term:  irritation, changes in body temperature, nausea, vomiting, stomach pain, chest pain, difficulty breathing, headache, drowsiness, dizziness, disorientation, difficulty speaking, mood swings, tremors, loss of coordination, visual disturbances, lung congestion, kidney damage, liver damage, unconsciousness, coma 

Long Term:  nosebleed, changes in body temperature, nausea, vomiting, stomach pain, loss of appetite, chest pain, difficulty breathing, irregular heartbeat, headache, drowsiness, fatigue, dizziness, disorientation, sleep disturbances, emotional disturbances, mood swings, tremors, loss of coordination, visual disturbances, menstrual disorders, sterility, lung congestion, internal bleeding, blood disorders, heart damage, kidney damage, liver damage, reproductive effects, unconsciousness 





Skin Contact 
Short Term:  irritation 

Long Term:  irritation 





Eye Contact 
Short Term:  irritation (possibly severe), sensitivity to light 

Long Term:  irritation, blurred vision, eye damage 





Ingestion 
Short Term:  irritation, changes in body temperature, nausea, vomiting, stomach pain, chest pain, difficulty breathing, headache, drowsiness, dizziness, disorientation, difficulty speaking, mood swings, tremors, loss of coordination, visual disturbances, lung congestion, kidney damage, liver damage, unconsciousness, coma, aspiration hazard 

Long Term:  no information on significant adverse effects 
















* * * Section 3 - COMPOSITION / INFORMATION ON INGREDIENTS  * * *


CAS EC No Registration No Component Name Synonyms 1272/2008 (CLP) Percent
1330-20-7 215-535-7 -- XYLENE Flam. Liq. 3 - H226 Acute Tox. 4 (Dermal) - H312 Acute Tox. 4 (Inh.) - H332 Skin Irrit. 2 - H315 Note(s): C 100











* * * Section 4 - FIRST AID MEASURES  * * *


Inhalation 
If adverse effects occur, remove to uncontaminated area. Give artificial respiration if not breathing. Get immediate medical attention. 



Skin 
Wash skin with soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention, if needed. Thoroughly clean and dry contaminated clothing and shoes before reuse. 



Eyes 
Flush eyes with plenty of water for at least 15 minutes. Then get immediate medical attention. 



Ingestion 
Aspiration hazard. DO NOT induce vomiting. If vomiting occurs, keep head lower than hips to help prevent aspiration. Get immediate medical attention. Give artificial respiration if not breathing. 










* * * Section 5 - FIRE FIGHTING MEASURES  * * *


See Section 9 for Flammability Properties 
NFPA Ratings: 
Health: 2 Fire: 3 Reactivity: 0

Hazard Scale: 0 = Minimal 1 = Slight 2 = Moderate 3 = Serious 4 = Severe




Flammable Properties 
Severe fire hazard. Electrostatic discharges may be generated by flow or agitation resulting in ignition or explosion. The vapor is heavier than air. Vapors or gases may ignite at distant ignition sources and flash back. Vapor/air mixtures are explosive. 



Extinguishing Media 
regular dry chemical, carbon dioxide, water, regular foam Large fires: Use regular foam or flood with fine water spray. 



Fire Fighting Measures 
Move container from fire area if it can be done without risk. Cool containers with water spray until well after the fire is out. Stay away from the ends of tanks. For fires in cargo or storage area: Cool containers with water from unmanned hose holder or monitor nozzles until well after fire is out. If this is impossible then take the following precautions: Keep unnecessary people away, isolate hazard area and deny entry. Let the fire burn. Withdraw immediately in case of rising sound from venting safety device or any discoloration of tanks due to fire. For tank, rail car or tank truck: Evacuation radius: 800 meters (1/2 mile). Water may be ineffective. 



Thermal Decomposition of Products 
Combustion: 
oxides of carbon 














* * * Section 6 - ACCIDENTAL RELEASE MEASURES  * * *


Air Release 
Reduce vapors with water spray. Stay upwind and keep out of low areas. 



Soil Release 
Trap spilled material at bottom in deep water pockets, excavated holding areas or within sand bag barriers. Dike for later disposal. Absorb with sand or other non-combustible material. Collect with absorbent into suitable container. 



Water Release 
Cover with absorbent sheets, spill-control pads or pillows. Neutralize. Collect with absorbent into suitable container. Absorb with activated carbon. Remove trapped material with suction hoses. Collect spilled material using mechanical equipment. 



Occupational spill/release 
Avoid heat, flames, sparks and other sources of ignition. Stop leak if possible without personal risk. Reduce vapors with water spray. Small spills: Absorb with sand or other non-combustible material. Collect spilled material in appropriate container for disposal. Large spills: Dike for later disposal. Remove sources of ignition. Keep unnecessary people away, isolate hazard area and deny entry. Notify Local Emergency Planning Committee and State Emergency Response Commission for release greater than or equal to RQ (U.S. SARA Section 304). If release occurs in the U.S. and is reportable under CERCLA Section 103, notify the National Response Center at (800)424-8802 (USA) or (202)426-2675 (USA). 










* * * Section 7 - HANDLING AND STORAGE  * * *


Storage Procedures 
Store and handle in accordance with all current regulations and standards. Protect from physical damage. Keep container tightly closed. Store outside or in a detached building. Store with flammable liquids. Store in a cool, dry place. Subject to storage regulations: U.S. OSHA 29 CFR 1910.106. Grounding and bonding required. Keep separated from incompatible substances. 










* * * Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION  * * *


Component Exposure Limits 

XYLENE 1330-20-7
ACGIH:  100 ppm TWA
150 ppm STEL
Europe:  50 ppm TWA (pure); 221 mg/m3 TWA (pure)
Possibility of significant uptake through the skin (pure)
100 ppm STEL (pure); 442 mg/m3 STEL (pure)
OSHA (US):  100 ppm TWA; 435 mg/m3 TWA
Mexico:  100 ppm TWA VLE-PPT; 435 mg/m3 TWA VLE-PPT
150 ppm STEL [PPT-CT]; 655 mg/m3 STEL [PPT-CT]




Component Analysis 
Biological limit value 
There are no biological limit values for any of this product's components. 




Ventilation 
Ventilation equipment should be explosion-resistant if explosive concentrations of material are present. Provide local exhaust ventilation system. Ensure compliance with applicable exposure limits. 



PERSONAL PROTECTIVE EQUIPMENT 
Eyes/Face Wear splash resistant safety goggles with a faceshield. Provide an emergency eye wash fountain and quick drench shower in the immediate work area. 



Protective Clothing 
Wear appropriate chemical resistant clothing. 



Glove Recommendations 
Wear appropriate chemical resistant gloves. 



Protective Materials 
polyvinyl alcohol (PVA) 



Respiratory Protection 
The following respirators and maximum use concentrations are drawn from NIOSH and/or OSHA. 900 ppm Any air-purifying half-mask respirator equipped with organic vapor cartridge(s). Any powered, air-purifying respirator with organic vapor cartridge(s). Any supplied-air respirator. Any self-contained breathing apparatus with a full facepiece. Emergency or planned entry into unknown concentrations or IDLH conditions - Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode. Any supplied-air respirator with a full facepiece that is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-demand or other positive-pressure mode. Escape - Any air-purifying full-facepiece respirator (gas mask) with a chin-style, front-mounted or back-mounted organic vapor canister. Any appropriate escape-type, self-contained breathing apparatus. 










* * * Section 9 - PHYSICAL AND CHEMICAL PROPERTIES  * * *


Appearance  Not available  Physical State  Liquid
Odor  distinct odor Color  colorless or pale
Odor Threshold  0.3 ppm pH  Not available 
Melting Point  -48 - 13 °C Boiling Point  138 - 144 °C
Freezing point  Not available  Evaporation Rate  0.6 (butyl acetate=1)
Boiling Point Range  Not available  Flammability (solid, gas)  Not available 
Autoignition  464 - 529 °C Flash Point  >=25 °C CC
Lower Explosive Limit  1 % Decomposition  Not available 
Upper Explosive Limit  7 % Vapor Pressure  6 - 16 mmHg at 20 °C
Vapor Density (air=1)  3.7 Specific Gravity (water=1)  0.86 - 0.9
Water Solubility  0.00003 % Partition coefficient: n-octanol/water  Not available 
Viscosity  Not available  Solubility (Other)  Not available 
Bioconcentration Factor (BCF)  1216.19 Density  Not available 
Henry's Law Constant  2.7896608 atm-m3/mol KOC  1345860.35 (estimated from water solubility)
Physical Form  liquid Texture  free-flowing
Volatility  100 % Molecular Formula  C6-H4-(C-H3)2
Molecular Weight  106.16 OSHA Flammability Class  IC




Solvent Solubility 
Soluble 
alcohol, ether, acetone, petroleum ether, benzene, carbon tetrachloride, organic solvents 














* * * Section 10 - STABILITY AND REACTIVITY  * * *


Chemical Stability 
Stable at normal temperatures and pressure. 



Conditions to Avoid 
Avoid heat, flames, sparks and other sources of ignition. Containers may rupture or explode if exposed to heat. Keep out of water supplies and sewers. 



Incompatible Materials 
oxidizing materials, combustible materials, acids, amines, bases, 



XYLENE: ACIDS (STRONG): Incompatible AMINES: Incompatible. BASES (STRONG): Incompatible. NITRIC ACID: Exothermic reaction. OXIDIZERS (STRONG): Fire and explosion hazard. PLASTICS, RUBBER, COATINGS: May be attacked. SULFURIC ACID: Exothermic reaction.

Thermal Decomposition of Products 
Combustion: 
oxides of carbon 







Thermal decomposition products: oxides of carbon.

Possibility of Hazardous Reactions 
Will not polymerize. 










* * * Section 11 - TOXICOLOGICAL INFORMATION  * * *


Component Analysis - LD50/LC50 

The components of this material have been reviewed in various sources and the following selected endpoints are published: 
XYLENE (1330-20-7)

Oral LD50 Rat 3500 mg/kg

Rabbit >1700 mg/kg Skin LD50 1974 NPIRI* ZE2100000

Inhalation LC50 Rat 29.08 mg/L 4 h




Component Carcinogenicity

XYLENE 1330-20-7
ACGIH:  A4 - Not Classifiable as a Human Carcinogen
IARC:  Monograph 71 [1999]; Monograph 47 [1989] (Group 3 (not classifiable))








Additional Data 
Alcohol may enhance the toxic effects Stimulants such as epinephrine may induce ventricular fibrillation. 



Inhalation - Acute Exposure 
XYLENE: Irritation of the upper respiratory tract may occur at 200 ppm Exposure to higher concentrations may cause more severe irritation and initial central nervous system excitation followed by depression Signs and symptoms may include respiratory difficulty and substernal pain, transient euphoria, emotional lability, headache, nausea, vomiting, anorexia, abdominal pain, dizziness, drowsiness, ataxia, and staggering There may be salivation, slurred speech, blurred vision, nystagmus, tinnitus, tremors, confusion, and flushing of the face with a feeling of increased body heat In severe exposures, there may be stupor, anesthesia, unconsciousness, and coma which may be punctuated by episodes of neuroirritability, but rarely frank convulsions, except in terminal asphyxia Liver and kidney damage may occur, but are usually mild and transient A group of subjects who inhaled 12.3 umol/L of xylene while exercising became significantly impaired on 3 neuropsychological tests Exposure of 3 painters to approximately 10,000 ppm for 18.5 hours resulted in 1 death from pulmonary edema and petechial brain hemorrhage Both survivors were unconscious for 19-24 hours and experienced retrograde amnesia, hypothermia, and lung congestion Renal and hepatic impairment also developed Complete recovery took 15 days High concentrations may cause death from sudden ventricular fibrillation, but more frequently death occurs from respiratory arrest.



Inhalation - Chronic Exposure 
XYLENE: Repeated or prolonged inhalation of vapors above 200 ppm may cause nausea, vomiting, abdominal pain, and anorexia Other common complaints include headache, fatigue, lassitude, irritability, breathing difficulties, and flatulence Effects on the nervous system may result in excitation, followed by depression, paresthesias, tremors, apprehension, impaired memory, insomnia, vertigo, and tinnitus Effects on reaction time, manual coordination, body balance and EEG occurred with repeated exposure to 90 ppm of m-xylene Sweetish taste in the mouth, dry nose and throat, strong thirst, mucosal hemorrhage, and anemia have been reported Effects on the liver, kidney, cardiovascular system, and the bone marrow have also been reported, although the latter has been questioned Exposure of rabbits to 1150 ppm for 40-55 days resulted in a reversible decrease in the red and white cell counts and an increase in the platelets One case of an apparent epileptiform seizure following a relatively brief exposure has occurred Women may develop menstrual disorders, such as menorrhagia or metrorrhagia, infertility, and pathological pregnancy conditions including toxicosis, danger of miscarriage, and hemorrhaging during delivery Repeated exposure of pregnant mice, rats and rabbits to the individual or the mixed isomers has resulted in maternal effects and effects on fertility, on the embryo or fetus, and specific developmental abnormalities Included among these effects are fetal death, fetotoxicity, pre- and post-implantation mortality, abortion, craniofacial and musculoskeletal abnormalities, and extra embryonic structures.



Skin Contact - Acute Exposure 
XYLENE: Xylene is a defatting agent and may cause a burning sensation, drying, vasodilation, erythema, and possibly blistering The liquid is readily absorbed through intact or broken skin at a rate of approximately 4-10 mg/cm2/hour, but systemic effects have not been reported.



Skin Contact - Chronic Exposure 
XYLENE: Repeated or prolonged contact may cause defatting of the skin with drying, erythema, cracking, thickening, and blistering Repeated application of 95% xylene to rabbit skin caused moderate to marked irritation with erythema and moderate necrosis.



Eye Contact - Acute Exposure 
XYLENE: Concentrations as low as 200 ppm have caused conjunctival irritation in humans Higher concentrations may produce severe irritation Vapor exposure has also caused tearing and photophobia.



Eye Contact - Chronic Exposure 
XYLENE: Repeated or prolonged exposure to high vapor concentrations may cause a burning sensation, conjunctivitis, and blurred vision Reversible vacuolar, epithelial keratopathy has been reported in some workers.



Ingestion - Acute Exposure 
XYLENE: Lung damage may occur if aspirated into the lungs and may be fatal Symptoms may include coughing, difficulty breathing, cyanosis, and pulmonary edema May cause a burning sensation in the mouth and stomach, salivation, and severe gastrointestinal distress with nausea and vomiting Depending on exposure levels, hematemesis may also occur with additional toxic effects including central nervous system depression, ventricular fibrillation, liver and kidney injury and other symptoms detailed in acute inhalation Ingestion of small quantities of 90% xylene plus toluene produced urinary dextrose and urobilinogen excretion with toxic hepatitis, which was reversible in 20 days.



Ingestion - Chronic Exposure 
XYLENE: Repeated ingestion of mixed xylenes by pregnant mice resulted in effects on fertility, on the embryo or fetus, or specific developmental abnormalities Included among these effects were fetotoxicity, reduced litter size, craniofacial and musculoskeletal system abnormalities, and post-implantation mortality.










* * * Section 12 - ECOLOGICAL INFORMATION  * * *


Component Analysis - Aquatic Toxicity 

XYLENE 1330-20-7
Fish:  LC50 96 h Pimephales promelas 13.4 mg/L [flow-through]; LC50 96 h Oncorhynchus mykiss 2.661 - 4.093 mg/L [static]; LC50 96 h Oncorhynchus mykiss 13.5 - 17.3 mg/L; LC50 96 h Lepomis macrochirus 13.1 - 16.5 mg/L [flow-through]; LC50 96 h Lepomis macrochirus 19 mg/L; LC50 96 h Lepomis macrochirus 7.711 - 9.591 mg/L [static]; LC50 96 h Pimephales promelas 23.53 - 29.97 mg/L [static]; LC50 96 h Cyprinus carpio 780 mg/L [semi-static]; LC50 96 h Cyprinus carpio >780 mg/L; LC50 96 h Poecilia reticulata 30.26 - 40.75 mg/L [static]
Invertebrate:  EC50 48 h water flea 3.82 mg/L; LC50 48 h Gammarus lacustris 0.6 mg/L








Bioconcentration Factor 

XYLENE 1330-20-7
BCF  0.6 - 15











* * * Section 13 - DISPOSAL CONSIDERATIONS  * * *


Disposal Methods 
Dispose in accordance with all applicable regulations. Subject to disposal regulations: U.S. EPA 40 CFR 262. Hazardous Waste Number(s): U239. 



Component Waste Numbers 

XYLENE 1330-20-7
RCRA:  waste number U239 (Ignitable waste)











* * * Section 14 - TRANSPORT INFORMATION  * * *


US DOT Information:

Shipping Name: XYLENES

Hazard Class: 3

UN/NA #: UN1307

Packing Group: II

Required Label(s): 3




TDG Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Required Label(s): 3




ADR Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Required Label(s): 3

ADR Tunnel Code Restrictions 

This list contains tunnel restriction codes for those substances and/or chemically related entries which are found in chapter 3.2 of the ADR regulations 
XYLENE (1330-20-7)

Restriction(s): D/E [UN1307] (II); D/E [UN1307] (III)








RID Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Required Label(s): 3




IATA Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Required Label(s): 3




ICAO Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Required Label(s): 3




IMDG Information:

Shipping Name: XYLENES

Hazard Class: 3

UN#: UN1307

Packing Group: II

Component Marine Pollutants (IMDG) 

Not regulated as dangerous goods. 















* * * Section 15 - REGULATORY INFORMATION  * * *


US Federal Regulations 
This material contains one or more of the following chemicals required to be identified under SARA Section 302 (40 CFR 355 Appendix A), SARA Section 311/312 (40 CFR 370.21), SARA Section 313 (40 CFR 372.65), CERCLA (40 CFR 302.4), TSCA 12(b), and/or require an OSHA process safety plan 
XYLENE 1330-20-7
SARA 313:  1 % de minimis concentration
CERCLA:  100 lb final RQ; 45.4 kg final RQ




SARA Section 311/312 (40 CFR 370 Subparts B and C) 

Acute Health: Yes Chronic Health: No Fire: Yes Pressure: No Reactivity: No








U.S. State Regulations 
The following components appear on one or more of the following state hazardous substances lists: 
Component  CAS  CA  MA  MN  NJ  PA 
XYLENE 1330-20-7 Yes  Yes  Yes  Yes  Yes 




Not listed under California Proposition 65 





Germany Water Classification 

XYLENE (1330-20-7)

ID Number 206 , hazard class 2 - hazard to waters




REACH List of Substances on Community Rolling Action Plan - Reg. (EU) No. 1907/2006 

This LOLI list includes substances listed on the CoRAP List of Substances to be evaluated under the Community Rolling Action Plan. This list includes substances to be evaluated under the Community Rolling Action Plan. These substances may be subject to additional scrutiny during the registration process 
XYLENE (1330-20-7)

Assigned to Member State Germany (Initial Grounds for Concern: Human health/Suspected CMR, Suspected sensitiser, Exposure/Wide dispersive use, Consumer use, Cumulative exposure, High RCR, Aggregated tonnage)












Symbol(s)

Xn Harmful

Risk Phrases

R10 Flammable.

R20/21 Harmful by inhalation and in contact with skin.

R38 Irritating to skin.

Safety Phrases

S2 Keep out of the reach of children.

S25 Avoid contact with eyes.




Component Analysis - Inventory 
Component  CAS#  US  CA  EU  AU  PH  JP  KR  CN  NZ 
XYLENE 1330-20-7 Yes  DSL  EIN  Yes  Yes  Yes  Yes  Yes  Yes 








Globally Harmonized System of Classification and Labeling (GHS) 

The listed component(s) of this material have been checked for country-specific published classifications according to the Globally Harmonized System of Classification and Labeling (GHS). The results of the queries are displayed below. Please see the individual country listings, as additional interpretations or reference information may be available. For a reference list of H- or P-statements, please visit ChemADVISOR’s website at http://www.chemadvisor.com/product-resources/26-pure-substance-and-mixture-databases/247-ghs-hazard-and-physical-statements 

Australia GHS Classifications 

Classifications below published by Australia's Department of Employment and Workplace Relations, through the Office of the Australian Safety and Compensation Council (ASCC) 
XYLENE (1330-20-7)

Flammable Liquids Category 3 H226 Flammable liquid and vapour

Acute toxicity Dermal Category 4 H312 Harmful in contact with skin

Acute toxicity Inhalation Category 4 H332 Harmful if inhaled

Skin Corrosion/Irritation Category 2 H315 Causes skin irritation

Specific Target Organ Toxicity - Single Exposure Category 3 H335 May cause respiratory irritation

Australia GHS Labeling Information 

Labeling information below according to classifications published by Australia's Department of Employment and Workplace Relations, through the Office of the Australian Safety and Compensation Council (ASCC) 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Warning

Hazard(s)

H226 Flammable liquid and vapour

H312 Harmful in contact with skin

H332 Harmful if inhaled

H315 Causes skin irritation

H335 May cause respiratory irritation

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P271 Use only outdoors or in a well-ventilated area

P280 Wear protective gloves/protective clothing/eye protection/face protection

P261 Avoid breathing dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

Response

P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P321 Specific treatment (see label)

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations




European Union GHS Classifications 

Classifications below according to Regulation (EC) No 1272/2008 on classification, labeling and packaging of substances and mixtures (CLP) 
XYLENE (1330-20-7)

Flammable Liquids Category 3 H226 Flammable liquid and vapour

Acute toxicity Dermal Category 4 H312 Harmful in contact with skin (Minimum classification)

Acute toxicity Inhalation Category 4 H332 Harmful if inhaled (Minimum classification)

Skin Corrosion/Irritation Category 2 H315 Causes skin irritation




European Union GHS Labeling Information 

Labeling information below is according to Regulation (EC) No 1272/2008 on classification, labeling and packaging of substances and mixtures (CLP) 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Warning

Hazard(s)

H226 Flammable liquid and vapour

H312 Harmful in contact with skin

H332 Harmful if inhaled

H315 Causes skin irritation

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P271 Use only outdoors or in a well-ventilated area

P280 Wear protective gloves/protective clothing/eye protection/face protection

P261 Avoid breathing dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

Response

P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P321 Specific treatment (see label)

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P235 Store in a well-ventilated place. Keep cool

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations




Indonesia GHS Classifications 

No published information available

This material may be hazardous according to published criteria for classification




Japan GHS Classifications 

Classifications below published under Japan's Chemicals Classification Program according to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) 
XYLENE (1330-20-7)

Flammable Liquids Category 3 H226 Flammable liquid and vapour Approval: 16

Acute toxicity Dermal Category 4 H312 Harmful in contact with skin Approval: H26-B-135 / R-081

Acute toxicity Inhalation - Vapour Category 4 H332 Harmful if inhaled Approval: H26-B-135 / R-081

Skin Corrosion/Irritation Category 2 H315 Causes skin irritation Approval: 16

Serious Eye Damage/Eye Irritation Category 2 H319 Causes serious eye irritation Approval: H26-B-135 / R-081

Reproductive Toxicity Category 1B H360 May damage fertility or the unborn child Approval: 16

Specific Target Organ Toxicity - Single Exposure Category 1 H370 Causes damage to organs (Central Nervous System,kidneys,liver,respiratory system) Approval: 16

Specific Target Organ Toxicity - Single Exposure Category 3 H336 May cause drowsiness or dizziness Approval: 16

Specific Target Organ Toxicity - Repeated Exposure Category 1 H372 Causes damage to organs through prolonged or repeated exposure (nervous system,respiratory system) Approval: 16

Aspiration Hazard Category 1 H304 May be fatal if swallowed and enters airways Approval: H26-B-135 / R-081

Hazardous to the Aquatic Environment - Acute Category 2 H401 Toxic to aquatic life Approval: 16

Hazardous to the Aquatic Environment - Chronic Category 2 H411 Toxic to aquatic life with long lasting effects Approval: 16




Japan GHS Labeling Information 

Labeling information below according to classifications published by Japan's Chemicals Classification Program according to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Danger

Hazard(s)

H226 Flammable liquid and vapour

H312 Harmful in contact with skin

H332 Harmful if inhaled

H315 Causes skin irritation

H319 Causes serious eye irritation

H360 May damage fertility or the unborn child

H370 Causes damage to organs

H336 May cause drowsiness or dizziness

H372 Causes damage to organs through prolonged or repeated exposure

H304 May be fatal if swallowed and enters airways

H401 Toxic to aquatic life

H411 Toxic to aquatic life with long lasting effects

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P271 Use only outdoors or in a well-ventilated area

P280 Wear protective gloves/protective clothing/eye protection/face protection

P260 Do not breathe dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

P201 Obtain special instructions before use

P202 Do not handle until all safety precautions have been read and understood

P270 Do not eat, drink or smoke when using this product

P273 Avoid release to the environment

Response

P308+P313 IF exposed or concerned: Get medical advice/attention

P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P337+P313 If eye irritation persists: Get medical advice/attention

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

P321 Specific treatment (see label)

P331 Do NOT induce vomiting

P370+P378 In case of fire: Use appropriate media for extinction

P391 Collect spillage

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations




Korea GHS Classifications 

Classifications below published by Korea's Ministry of Environment (MOE), Ministry of Employment and Labor (MOEL) or Office of National Emergency Management (NEMA, physical hazards only) 
XYLENE (1330-20-7)

MOE: Flammable liquids Category 3 H226 Flammable liquid and vapour.

Acute toxicity Dermal Category 4 H312 Harmful in contact with skin.

Acute toxicity Inhalation Category 4 H332 Harmful if inhaled.

Skin corrosion/irritation Category 2 H315 Causes skin irritation.

Serious Eye Damage/Eye Irritation Category 2 H319 Causes serious eye irritation.

Specific target organ toxicity - Single exposure Category 3 H336 May cause drowsiness or dizziness.

Specific target organ toxicity - Repeated exposure Category 1 H372 Causes damage to organs through prolonged or repeated exposure.
MOEL: Flammable Liquids Category 3 H226 Flammable liquid and vapour

Skin Corrosion/Irritation Category 2 H315 Causes skin irritation

Serious Eye Damage/Eye Irritation Category 2A H319 Causes serious eye irritation

Reproductive Toxicity Category 1B H360 May damage fertility or the unborn child

Specific Target Organ Toxicity - Single Exposure Category 1 H370 Causes damage to organs Central Nervous System,kidneys,liver,respiratory system

Specific Target Organ Toxicity - Single Exposure Category 3 H336 May cause drowsiness or dizziness

Specific Target Organ Toxicity - Repeated Exposure Category 1 H372 Causes damage to organs through prolonged or repeated exposure nervous system,respiratory system

Aspiration Hazard Category 2 H305 May be harmful if swallowed and enters airways

Hazardous to the Aquatic Environment - Chronic Category 2 H411 Toxic to aquatic life with long lasting effects
NEMA: Flammable Liquids Category 3 H226 Flammable liquid and vapour




Korea GHS Labeling Information 

Labeling information below according to classifications published by Korea's Ministry of Environment (MOE), Ministry of Employment and Labor (MOEL) or Office of National Emergency Management (NEMA, physical hazards only) 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Danger

Hazard(s)

H226 Flammable liquid and vapour

H312 Harmful in contact with skin

H332 Harmful if inhaled

H315 Causes skin irritation

H319 Causes serious eye irritation

H336 May cause drowsiness or dizziness

H372 Causes damage to organs through prolonged or repeated exposure

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P271 Use only outdoors or in a well-ventilated area

P280 Wear protective gloves/protective clothing/eye protection/face protection

P260 Do not breathe dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

P270 Do not eat, drink or smoke when using this product

Response

P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P337+P313 If eye irritation persists: Get medical advice/attention

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P321 Specific treatment (see label)

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations

Symbol(s)



Signal Word Danger

Hazard(s)

H226 Flammable liquid and vapour

H315 Causes skin irritation

H319 Causes serious eye irritation

H360 May damage fertility or the unborn child

H370 Causes damage to organs

H336 May cause drowsiness or dizziness

H372 Causes damage to organs through prolonged or repeated exposure

H305 May be harmful if swallowed and enters airways

H411 Toxic to aquatic life with long lasting effects

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P271 Use only outdoors or in a well-ventilated area

P280 Wear protective gloves/protective clothing/eye protection/face protection

P260 Do not breathe dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

P201 Obtain special instructions before use

P202 Do not handle until all safety precautions have been read and understood

P270 Do not eat, drink or smoke when using this product

P273 Avoid release to the environment

Response

P308+P313 IF exposed or concerned: Get medical advice/attention

P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P337+P313 If eye irritation persists: Get medical advice/attention

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

P321 Specific treatment (see label)

P331 Do NOT induce vomiting

P370+P378 In case of fire: Use appropriate media for extinction

P391 Collect spillage

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations

Symbol(s)



Signal Word Warning

Hazard(s)

H226 Flammable liquid and vapour

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P280 Wear protective gloves/protective clothing/eye protection/face protection

Response

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P235 Store in a well-ventilated place. Keep cool

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations




New Zealand GHS Classifications 

Classifications below according to the Environmental Risk Management Authority's (ERMA) Hazardous Substances and New Organisms (HSNO) Act, as amended. For a reference list defining the alphanumeric categories, please visit ChemADVISOR's website at www.chemadvisor.com\sdsoncommand\ghs_NZ.html 
XYLENE (1330-20-7) Approval: HSR000983

Flammable Liquids Category 3 H226 Flammable liquid and vapour

Acute toxicity Oral Category 4 H302 Harmful if swallowed

Acute toxicity Dermal Category 4 H312 Harmful in contact with skin

Acute toxicity Inhalation Category 5 H333 May be harmful if inhaled

Skin Corrosion/Irritation Category 2 H315 Causes skin irritation

Serious Eye Damage/Eye Irritation Category 2 H319 Causes serious eye irritation

Reproductive Toxicity Category 2 H361 Suspected of damaging fertility or the unborn child

Specific Target Organ Toxicity - Single Exposure Oral Category 2 H371 May cause damage to organs if swallowed (Nervous System)

Specific Target Organ Toxicity - Repeated Exposure Inhalation Category 2 H373 May cause damage to organs through prolonged or repeated exposure if inhaled (Central Nervous System)

Hazardous to the Aquatic Environment - Acute Category 2 H401 Toxic to aquatic life (algal)

Hazardous to the Terrestrial Environment - Vertebrates Category 3 H433 Harmful to terrestrial vertebrates




New Zealand GHS Labeling Information 

Labeling information below according to classifications published by New Zealand's Environmental Risk Management Authority's (ERMA) Hazardous Substances and New Organisms (HSNO) Act, as amended. For a reference list defining the alphanumeric categories, please visit ChemADVISOR's website at www.chemadvisor.com\sdsoncommand\ghs_NZ.html 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Warning

Hazard(s)

H226 Flammable liquid and vapour

H302 Harmful if swallowed

H312 Harmful in contact with skin

H333 May be harmful if inhaled

H315 Causes skin irritation

H319 Causes serious eye irritation

H361 Suspected of damaging fertility or the unborn child

H371 May cause damage to organs

H373 May cause damage to organs through prolonged or repeated exposure

H401 Toxic to aquatic life

H433 Harmful to terrestrial vertebrates

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P280 Wear protective gloves/protective clothing/eye protection/face protection

P260 Do not breathe dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

P201 Obtain special instructions before use

P202 Do not handle until all safety precautions have been read and understood

P270 Do not eat, drink or smoke when using this product

P273 Avoid release to the environment

Response

P308+P313 IF exposed or concerned: Get medical advice/attention

P304+P312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P337+P313 If eye irritation persists: Get medical advice/attention

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P312 Call a POISON CENTER or doctor/physician if you feel unwell

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P301+P312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell

P321 Specific treatment (see label)

P330 Rinse mouth

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations




South Africa GHS Classifications 

Information below presented according to the South African Bureau of Standards (SANS 10234:2008 - Globally Harmonized System (GHS) of Classification and Labeling of Chemicals). The information below identifies substances with recommended GHS classifications by CAS or RR numbers and chemical names; the data field contains the word ''Present'' along with any clarifying information in parenthesis. NOTE: Due to copyright laws on the standard, we are not able to publish the classification. Details about South Africa's implementation of GHS are available by ordering the Standard and its supplement through the South African Bureau of Standards website 
XYLENE (1330-20-7)

Listing: Present




Taiwan GHS Classifications 

Information below presented according to Taiwan's Bureau of Standards, Metrology and Inspection (BSMI) of the Ministry of Economic Affairs. This agency has published a series of standards (CNS 15030 1-27 Chemical Classification and Labelling) which provide guidance on classification and labeling of chemicals according to GHS 
XYLENE (1330-20-7)

Taiwan: Flammable Liquids Category 3 H226 Flammable liquid and vapour
Acute toxicity Oral Category 5 H303 May be harmful if swallowed
Skin Corrosion/Irritation Category 2 H315 Causes skin irritation
Serious Eye Damage/Eye Irritation Category 2A H319 Causes serious eye irritation
Specific Target Organ Toxicity - Repeated Exposure Category 2 H373 May cause damage to organs through prolonged or repeated exposure (liver,kidneys)
Aspiration Hazard Category 1 H304 May be fatal if swallowed and enters airways
Hazardous to the Aquatic Environment - Acute Category 3 H402 Harmful to aquatic life




Taiwan GHS Labeling Information 

Labeling information below according to classifications published by Taiwan's Bureau of Standards, Metrology and Inspection (BSMI) of the Ministry of Economic Affairs. This agency has published a series of standards (CNS 15030 1-27 Chemical Classification and Labelling) which provide guidance on classification and labeling of chemicals according to GHS 
XYLENE (1330-20-7)

Symbol(s)



Signal Word Danger

Hazard(s)

H226 Flammable liquid and vapour

H303 May be harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H373 May cause damage to organs through prolonged or repeated exposure

H304 May be fatal if swallowed and enters airways

H402 Harmful to aquatic life

Prevention

P233 Keep container tightly closed

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking

P240 Ground/Bond container and receiving equipment

P241 Use explosion-proof electrical/ventilating/lighting equipment

P242 Use only non-sparking tools

P243 Take precautionary measures against static discharge

P280 Wear protective gloves/protective clothing/eye protection/face protection

P260 Do not breathe dust/fume/gas/mist/vapours/spray

P264 Wash thoroughly after handling

P273 Avoid release to the environment

Response

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P337+P313 If eye irritation persists: Get medical advice/attention

P302+P352 IF ON SKIN: Wash with plenty of soap and water

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower

P362+P364 Take off contaminated clothing and wash it before reuse

P332+P313 If skin irritation occurs: Get medical advice/attention

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

P321 Specific treatment (see label)

P331 Do NOT induce vomiting

P370+P378 In case of fire: Use appropriate media for extinction

Storage

P403+P235 Store in a well-ventilated place. Keep cool

P405 Store locked up

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations












Classification 
No classification assigned. 










* * * Section 16 - OTHER INFORMATION  * * *


Key / Legend 
ACGIH - American Conference of Governmental Industrial Hygienists; ADR - European Road Transport; AU - Australia; BOD - Biochemical Oxygen Demand; C - Celsius; CA - Canada; CAS - Chemical Abstracts Service; CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act; CN - China; CPR - Controlled Products Regulations; DFG - Deutsche Forschungsgemeinschaft; DOT - Department of Transportation; DSL - Domestic Substances List; EEC - European Economic Community; EINECS - European Inventory of Existing Commercial Chemical Substances; EPA - Environmental Protection Agency; EU - European Union; F - Fahrenheit; IARC - International Agency for Research on Cancer; IATA - International Air Transport Association; ICAO - International Civil Aviation Organization; IDL - Ingredient Disclosure List; IDLH - Immediately Dangerous to Life and Health; IMDG - International Maritime Dangerous Goods; JP - Japan; Kow - Octanol/water partition coefficient; KR - Korea; LEL - Lower Explosive Limit; LOLI - List Of LIsts™ - ChemADVISOR’s Regulatory Database; MAK - Maximum Concentration Value in the Workplace; MEL - Maximum Exposure Limits; NFPA - National Fire Protection Agency; NIOSH - National Institute for Occupational Safety and Health; NJTSR - New Jersey Trade Secret Registry; NTP - National Toxicology Program; NZ - New Zealand; OSHA - Occupational Safety and Health Administration; PH - Philippines; RCRA - Resource Conservation and Recovery Act; RID - European Rail Transport; RTECS - Registry of Toxic Effects of Chemical Substances®; SARA - Superfund Amendments and Reauthorization Act; STEL - Short-term Exposure Limit; TDG - Transportation of Dangerous Goods; TSCA - Toxic Substances Control Act; TWA - Time Weighted Average; UEL - Upper Explosive Limit; US - United States 



Other Information 
Reasonable care has been taken in the preparation of this information; however, the manufacturer makes no warranty whatsoever including the warranty of merchantability, expressed or implied, with respect to this information. The manufacturer makes no representations and assumes no liability for any direct, incidental, consequential, or other such damages resulting from its use or misuse. 
Disclaimer: 
Supplier gives no warranty whatsoever, including the warranties of merchantability or of fitness for a particular purpose. Any product purchased is sold on the assumption the purchaser shall determine the quality and suitability of the product. Supplier expressly disclaims any and all liability for incidental, consequential or any other damages arising out of the use or misuse of this product. No information provided shall be deemed to be a recommendation to use any product in conflict with any existing patent rights. THIS SDS IS TO BE UTILIZED SOLELY AS A REFERENCE DOCUMENT AND IT IS NOT TO BE USED TO SATISFY THE DISTRIBUTION REQUIREMENTS OF OSHA'S HAZARD COMMUNICATION STANDARD (HCS) NOR CANADA'S CONTROLLED PRODUCT REGULATION (CPR). Read the Safety Data Sheet before handling product. Use of any information contained herein is provided at the reader's own risk and thus independent judgment by trained professionals must be utilized at all times. 







Copyright 
Copyright 1984-2016 ChemADVISOR, Inc "RTECS®" is a United States trademark owned and licensed under authority of the U.S. Government, by and through Accelrys/Biovia. Portions ©Copyright 2016, U.S. Government. All rights reserved