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:C2288 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Potassium Bisulfate  Reagent Grade
Trade/Chemical Synonyms 
Formula:KHSO
RTECS:TS7200000 
C.A.SCAS# 7646-93-7
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Potassium Bisulfate  CAS# 7646-93-7 100 % W/W TXDS: orl-rat LD: 2340 mg/Kg 
Section 3 Hazard Identification (Also see section 11)
Harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed. 
Section 4 First Aid Measures
Harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. 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, Carbon dioxide, dry chemical, powder, foam.
Fire/Explosion Hazards:Do not use water directly on material.Avoid breathing corrosive dusts and fumes from burning material. Keep upwind.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Do not touch spilled material. Stop leak if possible. Take up with sand or other absorbent and place in container.
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:Appropriate protective gloves
Local Exhaust: Eye Protection:Splash/ dust goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:214 CSpecific GravityPowder
Boiling Point:Decomposes Percent Volatile by Volume:0
Vapor Pressure:Negligible Evaporation Rate:0
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: 36.3% Auto ignition Temperature: Not applicable
Appearance and Odor: Colorless crystalline solid with sulfur odor Lower Flamm. Limit in Air: Not applicable
Flash Point: None Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Not established
Materials to Avoid:
Alkalis, strong bases, metals, strong oxidizers
Hazardous Decomposition Products:
Toxic and hazardous oxides of sulfur and potassium
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure: Acute and chronic: This product is corrosive to moist tissues such as eyes and mucous membranes. It is severely irritating to other tissues. May also cause severe irritaiton to the mucous membranes of the mouth and GI tract.There is no specific chronic effect different from that of other corrosive materials. Target organs: None. Persons with pre-existing disorders may be more susceptible. 
DOT Classification: Potassium Hydrogen Sulfate, 8, UN2509, 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.