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:C2426 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:1,2-Propanediol (Propylene Glycol) Laboratory Grade
Trade/Chemical Synonyms 
Formula:CH“CHOHCH’OH
RTECS:TY2000000 
C.A.SCAS# 57-55-6
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
1,2-Propanediol (Propylene Glycol) CAS# 57-55-6 100 % W/W  
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 unconcious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Carbon Dioxide, dry chemical powder or appropriate foam
Fire/Explosion Hazards:None Known.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Absorb spill with inert material, then place in a chemical waste container. Dispose of in a manner consistent with federal, local law.
Section 7 Handling and Storage
Dissolve or mix material with a combustible solvent and burn in a chemical incinerator. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection:Wear appropriate gloves to prevent skin exposure
Local Exhaust: Eye Protection:Chemical safety goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:-76°FSpecific Gravity1.036
Boiling Point:368.6°F Percent Volatile by Volume:0
Vapor Pressure:0.08mm Evaporation Rate:0
Vapor Density: 2.62 Evaporation Standard:
Solubility in Water: complete Auto ignition Temperature: 779°F
Appearance and Odor: Colorless viscous liquid Lower Flamm. Limit in Air: 2.6%
Flash Point: 210°F Upper Flamm. Limit in Air: 12.6%
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Incompatibiliites
Materials to Avoid:
Acid chlorides, acid anhydrides, oxidizing agents, chlorofromates, and reducing angents
Hazardous Decomposition Products:
CO, CO2
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure. Acute and chronic: Harmful by inhalation, ingestion, skin absorption. May cause eye and skin irritaition and central nervous system problems. May cause GI disturbances, nausea, headache and vomiting. Target organs: None. Persons with pre-existing disorders may be more susceptible. 
DOT Classification: Not Regulated
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.