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:C2332 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Potassium Hydroxide  Laboratory Grade, Pellets
Trade/Chemical Synonyms 
Formula:KOH
RTECS:TT2100000 
C.A.SCAS# 1310-58-3
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Potassium Hydroxide  CAS# 1310-58-3 100% W/W OSHA PEL 2 mg/mÉ 
Section 3 Hazard Identification (Also see section 11)
Causes severe irritation and burns. 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
Causes severe irritation and burns. 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: CALL A PHYSICIAN. SKIN: In case of contact, immediately flush skin with water for at least 15 minutes while removing contaminated clothing and shoes. Thoroughly clean clothing and shoes before reuse.

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:Any means suitable for extinguishing surrounding fire Note water will cause this material to release heat.
Fire/Explosion Hazards:Negligible fire hazard when exposed to heat or flame.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Take up with sand or other inert material and place in conatier for later disposal. Neutralize with weak acid.
Section 7 Handling and Storage
Store in a cool dry place. Do not get in eyes, on skin, on clothing. Wash thoroughly after handling. Keep containers tightly closed. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:None required
Ventilation: Mechanical: Hand Protection:NIOSH Approved Gloves
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:681 F (360 C)Specific Gravity2.044
Boiling Point:2408 F (1320 C) Percent Volatile by Volume:0%
Vapor Pressure:1 mmHg @719 C Evaporation Rate:Not applicable
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: Soluble, generates heat Auto ignition Temperature: Not applicable
Appearance and Odor: white deliquescent odorless beads, lumps or rods Lower Flamm. Limit in Air: Not applicable
Flash Point: Not flammable Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Moisture, may ignite combustibles.
Materials to Avoid:
Acids, Acrolein, alcohols, aluminum, Chlorine, Halogenates
Hazardous Decomposition Products:
Not known to occur
Hazardous Polymerization:Not reported to occur under normal conditions
Condition to Avoid:None known
Section 11 Additional Information
DANGER! CORROSIVE! Reacts with water to generate heat. Corosive by skin contact, eye contact, inhalation, and ingestion. Target organs: No data available. Toxic by ingestion. At increased risk from exposure are persons with preexisting skin and eye conditions. 
DOT Classification: Potassium Hydroxide Solid,8, UN1813, 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.