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:C2850 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Tetrahydrofuran  HPLC Grade, Uninhibited
Trade/Chemical Synonyms 
Formula:C”H˜O
RTECS:LU5950000 
C.A.SCAS# 109-99-9
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Tetrahydrofuran  CAS# 109-99-9 100% V/V OSHA TWA 200 ppm (590 mg/mƒ) 
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: Give several glasses of milk or water. Vomiting may occur spontaneously, but DO NOT INDUCE! Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Water spray, dry chemical, carbon dioxide, alcohol foam
Fire/Explosion Hazards:Vapors may form explosive mixture with air.
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 place away from incompatible materials. Wash thoroughly after handling. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection:Solvent resistant gloves as neoprene or nitrile
Local Exhaust: Eye Protection:Goggles and Face Shield
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:-108°CSpecific Gravity0.88
Boiling Point:66°C Percent Volatile by Volume:>99
Vapor Pressure:114 mm Hg Evaporation Rate:14.5
Vapor Density: 2.5 Evaporation Standard: Butylacetate =1
Solubility in Water: Miscible Auto ignition Temperature: 610°F
Appearance and Odor: Colorless liquid, ether-like odor Lower Flamm. Limit in Air: 1.8
Flash Point: -14°C Upper Flamm. Limit in Air: 11.8
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, bases
Hazardous Decomposition Products:
Oxides of Carbon
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure, Acute: Irritating to eyes and skin. May cause redness and pain. Inhalation may cause irritation of the nose and throat, dizziness and headache. Irritating to mucous membranes. Ingestion may cause sore throat and abdominal pain. Chronic:No information found. Conditions aggravated: persons with pre-exisiting eye, skin and respiratory conditions may be more susceptible. Target organs: Liver and kidneys 
DOT Classification: Tetrahydrofuran, 3, UN2056, PG II
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.