MATERIAL SAFETY DATA SHEET
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DATE PREPARED: 05/15/07
MSDS No: A026
Xylene
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1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Product Identifier: Xylene
Product Code: A026
Product Name: Xylene
Chemical Family: Organic solvent
Synonyms: Dimethyl benzene; xylol; methyl toluene; 1,4-dimethyl-benzene
Molecular Formula: C6H4(CH3)2
MANUFACTURER: 24 HR. EMERGENCY TELEPHONE
HydroChem Industrial Services, Inc. NUMBERS:
900 Georgia Ave. Emergency Contact: HydroChem ER
Deer Park, TX 77536 Emergency Phone (800) 569-4889
Customer Service: (800) 934-9376
COMMENTS:
EFFECTIVE DATE: 05/15/07
2. COMPOSITION/INFORMATION ON INGREDIENTS
wt.% CAS Registry #
Xylenes (o-,m-,p-isomers) 100 1330-20-7
OSHA HAZARDOUS COMPONENTS (29 CFR 1910.1200)
EXPOSURE LIMITS
OSHA PEL ACGIH TLV Supplier
Xylenes (o-,m-,p-isomers) 100 ppm 100 ppm
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
IMMEDIATE CONCERNS:
Xylene is a colorless liquid with a strong hydrocarbon odor. It is volatile and extremely
flammable liquid that may cause flash fires. Keep away from heat, sparks and open flame.
Contains material that has caused cancer based on animal data. Never siphon this product by
mouth. If swallowed, this product may get sucked into the lungs (aspirated) and cause lung
damage or even death. Contact may cause eye and skin irritation.
4. FIRST AID MEASURES
EYES:
Immediately flush eyes with water for at least 15 minutes while holding eyelids open. Seek
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Xylene
medical attention immediately.
SKIN:
Immediately wash with soap and water. Rinse thoroughly. Seek medical attention if effects
occur. Launder contaminated clothing before reuse. Destroy contaminated shoes. If
symptoms or irritation occur, call a physician.
INGESTION:
Aspiration hazard - DO NOT induce vomiting. Take to hospital at once.
INHALATION:
Remove to fresh air. If breathing is difficult, administer oxygen. If not breathing or if no
heartbeat, give artificial respiration or cardiopulmonary resuscitation (CPR). Immediately call
a physician.
COMMENTS:
Ensure that medical personnel are aware of the material(s) involved and take precautions to
protect themselves.
5. FIRE FIGHTING MEASURES
Flashpoint: 86-93掳F
Flammable Limits: 1.1% to 7.0%
Autoignition Temperature: 867掳F 464掳C
GENERAL HAZARD:
Vapors may travel along the ground and ignite when an ignition source is contacted.
EXTINGUISHING MEDIA:
Use alcohol foam, carbon dioxide, dry chemical or water spray when fighting fires involving
this material.
HAZARDOUS COMBUSTION PRODUCTS:
Oxides of carbon and harmful organic chemical fumes.
EXPLOSION HAZARDS:
Vapors may form explosive mixture with air.
FIRE FIGHTING PROCEDURES:
Use water fog to cool hot containers. Fight fire from maximum distance or use unmanned
hose holders or monitor nozzles.
FIRE FIGHTING EQUIPMENT:
As in any fire, wear self-contained breathing apparatus pressure-demand, (MSHA/NIOSH
approved or equivalent) and full protective clothing to prevent contact with skin and eyes.
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Xylene
6. ACCIDENTAL RELEASE MEASURES
GENERAL PROCEDURES:
Keep public away.
Isolate and evacuate the area.
Shut off source, if safe to do so.
Prevent entry into waterways, sewers, basements, or confined areas.
Contain with dikes.
Use explosion proof equipment to recover.
Remove all sources of ignition.
Soak up residual on inert absorbent (dry sand, clay or earth).
Put in steel or plastic drum approved for flammables.
7. HANDLING AND STORAGE
GENERAL PROCEDURES:
Refer to Section 8.
STORAGE:
Keep away from heat, sparks, and flame.
Keep container closed when not in use.
Use with adequate ventilation.
Do not cut or weld on container.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
ENGINEERING CONTROLS:
Ventilation -General and local ventilation are required.
PERSONAL PROTECTION
EYES AND FACE:
Chemical goggles required and an eye wash in work area.
RESPIRATORY:
Use NIOSH approved respirator with organic vapor (color coded yellow) in non-ventilated area
and/or exposure above TLV. Use SCBA (self-contained breathing apparatus) in confined areas
and for emergencies.
PROTECTIVE CLOTHING:
Face shield, boots, protective suit and impervious (polyvinyl alcohol and Viton) gloves.
OTHER USE PRECAUTIONS:
Safety shower and eye wash in the work area. Use mechanical ventilation equipment that is
explosion-proof.
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MSDS No: A026
Xylene
9. PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Liquid
Odor: Sweet Aromatic
Color: Colorless
pH: Neutral
Percent Volatile: 100
Molecular Weight: 106.1
Vapor Pressure: 6-16 mmHg at 68掳F
Vapor Density: 3.7 (Air = 1)
Boiling Point: 280 to 291掳F 138 to 144掳C
Solubility: Insoluble in water; soluble in alcohol, ether, acetone, and benzene
Evaporation Rate: 0.7 (n-Butyl Acetate=1)
Specific Gravity: 0.86 @ 60掳F
10. STABILITY AND REACTIVITY
STABLE: Yes
HAZARDOUS POLYMERIZATION: No
CONDITIONS TO AVOID:
Keep away from heat, sparks and flame.
HAZARDOUS DECOMPOSITION: Carbon monoxide, xylene vapors.
INCOMPATIBLE MATERIALS:
Strong oxidizers such as nitrates, chlorates, peroxides.
11. TOXICOLOGICAL INFORMATION
ACUTE
Eyes: Severe irritant. Causes pain and redness. Prolonged or repeated contact may cause
mild burn.
Skin: Irritant. May cause pain, redness, dermatitis. May be absorbed in toxic amounts.
Ingestion: Liquid ingestion causes severe gastrointestinal pain, abdominal cramps, nausea,
vomiting, narcosis and central nervous depression. Aspiration (inadvertent suction) of liquid
into the lungs must be avoided as even small quantities in the lungs can produce chemical
pneumonitis, pulmonary edema/hemorrhage and even death.
Inhalation: Can cause respiratory irritation. Gross overexposure can result in headaches,
lack of muscle coordination, dizziness, confusion and changes in one鈥檚 sense of balance.
TARGET ORGANS:
Lung, liver, kidney, heart and brain.
TERATOGENICITY:
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Xylene
May cause teratogenic effects.
GENERAL COMMENTS:
Not classified as a carcinogen.
COMMENTS:
Only selected Registry of Toxic Effects of Chemical Substances (RTECS) data is presented in
this document. See the actual entry in RTECS for complete information.
RTECS Number: ZE2100000
LD50 (rats oral) = 2.5-10 ml/kg
12. ECOLOGICAL INFORMATION
GENERAL COMMENTS:
Degradability: Biodegradable.
Fish Toxicity: Low toxicity to fish.
COMMENTS:
COD = 2.28 p/p BOD = 3.03 p/p
LC50 ((96 hours in P. promelas and rainbow trout = 2.6-28 mg/l
13. DISPOSAL CONSIDERATIONS
PRODUCT DISPOSAL: Ship via permitted waste hauler to permitted hazardous waste disposal
facility for incineration.
EMPTY CONTAINER: Leave label on drum and sell drum to an approved drum reconditioner or
triple rinse with an appropriate solvent, crush, and ship to sanitary landfill unless prohibited by
local regulations.
RCRA/USPA WASTE INFORMATION:
RCRA Hazardous Waste Number: D001, U239
COMMENTS:
Always follow ALL applicable federal, state and local regulations.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION)
Proper Shipping Name: Xylenes
Hazard Class: 3
NA/UN Number: UN1307
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MSDS No: A026
Xylene
Packing Group: III
DOT reportable quantity: 104 gals or 1000 lbs
Placards: Flammable Liquid
Label: Flammable Liquid -3
SPECIAL SHIPPING NOTES:
If RQ is exceeded in a single container, material is a HAZARDOUS MATERIAL AND HAZ-
ARDOUS SUBSTANCE; add the letters RQ to the beginning of the shipping description.
15. REGULATORY INFORMATION
DOT Label Symbol and Statement of Hazard
DOT label: Flammable Liquid
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT)
Fire: Yes Pressure Generating: No Reactivity: No Acute: Yes Chronic: Yes
313 Reportable Ingredients: Xylene (100%)
CERCLA (COMPREHENSIVE RESPONSE, COMPENSATION, AND LIABILITY ACT)
Reportable Spill Quantity: 13.8 gal or 100 lbs
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA Status: All components of this material are on the TSCA inventory.
STATE REGULATIONS
PROPOSITION 65 STATEMENT:
This product does not contain any substance(s) which are defined by the state of California to
cause cancer, birth defects, or other reproductive effects.
16. OTHER INFORMATION
REVISION SUMMARY
Revision #: 7
This MSDS replaces the October 08, 1999 MSDS. This MSDS was
completely revised.
NFPA CODES
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MSDS No: A026
Xylene
Fire: 3 Health: 2 Reactivity: 1
HMIS CODES
Fire: 3 Health: 2 Reactivity: 1
MANUFACTURER DISCLAIMER:
[鈩 Indicates a trade or service mark of HydroChem Industrial Services, Inc.
The information herein is believed to be accurate and is presented in good faith; however, no
warranties or representations are made by HydroChem Industrial Services, Inc. regarding the accuracy
or completeness of the information.
HydroChem Industrial Services, Inc. shall not be held liable for any damage resulting from the handling,
or from contact with the above product.
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