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:C2933 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:2,2,4-Trimethylpentane (iso-Octane) 99% Laboratory Grade
Trade/Chemical Synonyms 
Formula:(CH“)“CCH’CH(CH“)’
RTECS:SA3320000 
C.A.SCAS# 540-84-1
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
2,2,4-Trimethylpentane (iso-Octane) 99% CAS# 540-84-1 100 V/V None Established 
Section 3 Hazard Identification (Also see section 11)
Keep away from heat and ignition sources. Harmful if swallowed. Avoid breathing vapors. 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. Harmful if swallowed. Avoid breathing vapors. 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: If swallowed, induce vomiting immediately after giving two glasses of water. Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Carbon Dioxide, dry chemical powder or appropriate 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
Store in a cool dry well ventilated area. Keep away from heat and flame. Do not get in eyes, on skin, or on clothing. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:Organic Vapor Cartridge
Ventilation: Mechanical: Hand Protection:Solvent resistant gloves as neoprene or nitrile
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:-107° CSpecific Gravity0.69
Boiling Point:99° C Percent Volatile by Volume:100
Vapor Pressure:41 @ 20° C Evaporation Rate:>1
Vapor Density: 3.9 Evaporation Standard: Butylacetate =1
Solubility in Water: Negligible Auto ignition Temperature: 779° F
Appearance and Odor: Colorless liquid, sweet odor Lower Flamm. Limit in Air: 1.1
Flash Point: -7 ° 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:
Carbon dioxide, carbon monoxide.
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure, Acute and Chronic: Inhalation may cause irritation of mucous membranes, narcosis, headache, nausea, vomiting, dizziness, fatigue, weakness in arms and legs. Contact with skin may cause irritation or dermatitis. Contact with eyes and skin may cause irritation. Ingestion may cause central nervous system depression. Conditions aggravated: Persons with pre-existing eye, skin or repiratory conditions may be more susceptible. Target organs: Lungs 
DOT Classification: Octanes, 3, UN1262, PG II
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0Date 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.