Material Safety Data Sheet
Science Stuff, Inc.
1104 Newport Ave
Austin, TX 78753
Phone (512) 837-6020
Chemtrec 800-424-9300
24 Hour Emergency Assistance
Section 1 Identification
Product Number:C2966 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Xylenes (Xylol) Reagent A.C.S. Grade
Trade/Chemical Synonyms 
Formula:C–H”(CH“)’
RTECS:ZE2100000 
C.A.SCAS# 1330-20-7
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Xylenes (Xylol) CAS# 1330-20-7 100% V/V OSHA TWA 100 ppm (435 mg/mƒ) 
Section 3 Hazard Identification (Also see section 11)
Keep away from heat and ignition sources. May be harmful if swallowed. Avoid breathing vapor or dust. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed. 
Section 4 First Aid Measures
Keep away from heat and ignition sources. May be harmful if swallowed. Avoid breathing vapor or dust. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed.

FIRST AID: SKIN: Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention

EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen

INGESTION: Give several glasses of milk or water. Vomiting may ocur spontaneously, but DO NOT INDUCE! Never give anything by mouth to an unconcious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Water spray, dry chemical, carbon dioxide, alcohol foam
Fire/Explosion Hazards:Vapor may travel considerable distance to source of ignition and flash back.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Remove all sources of ignition. Ventilate area of leak or spill. Wear protective equipment. Clean up in a manner that doen't disperse dust.
Section 7 Handling and Storage
Keep away from heat and flame. Do not get in eyes, on skin, on clothing. Use with adequate ventilation. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection:Gloves to prevent skin exposure as latex or vinyl
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:12.2°CSpecific Gravity0.86
Boiling Point:138°C Percent Volatile by Volume:>99
Vapor Pressure:6.72 Evaporation Rate:Information not available
Vapor Density: 3.66 Evaporation Standard:
Solubility in Water: Negligible Auto ignition Temperature: Information not available
Appearance and Odor: Clear, liquid w/ solvent odor Lower Flamm. Limit in Air: 1.0
Flash Point: 17.0°C Upper Flamm. Limit in Air: 6.0
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Avoid contact with heat, sparks, flames, or other sources of ignition.
Materials to Avoid:
Oxidizing materials
Hazardous Decomposition Products:
Oxides of carbon, acrid fumes
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure, Acute and Chronic: Irritation of eyes, nose and throat. Reversible eye damage, dermatitis, chemical pneumonia, central nrevous system depression. Conditions aggravated: Persons with pre-existing eye, skin or respiratory conditions may be more susceptible. Target organs: Liver and kidneys. 
DOT Classification: Xylenes, 3, UN1307, PG III
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0.1Date Entered: 9/1/2006 Approved by: WPF

The information contained herein is believed to be accurate and is offered in good faith for the user's consideration and investigation. No warranty is expressed or implied regarding the completeness or accuracy of this information, whether originating from Science Stuff, Inc. or from an alternate source. Users of this material should satisfy themselves by independent investigation of current scientific and medical information that this material may be safely handled.