Product ID:POTASSIUM HYDROXIDE
MSDS Date:05/29/1996
FSC:6810
NIIN:00-234-8366
MSDS Number: CCMHR

FISHER SCIENTIFIC, CHEMICAL DIV.

1 REAGENT LANE
FAIR LAWN, NJ 07410
US

Emergency Phone: 201-796-7100/800-424-9300(CHEMTREC)

Info Phone: 201-796-7100 OR 201-796-7523

Cage: 1B464

FISHER SCIENTIFIC CO. CHEMICAL MFG DIV

FAIRLAWN, NJ 07410-2802 US

Telephone: 201-796-7100

Cage: 1B464

POTASSIUM HYDROXIDE (CERCLA)

CAS: 1310-58-3

RTECS: TT2100000

Fraction By Weight: 100%

OSHA PEL C 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9596

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:LD50 ORAL RAT IS 273 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT MAY CAUSE SEVERE BURNS,
IRREVERSABLE EYE DAMAGE. SKIN CONTACT CAUSES BURNS, DEEP
PENETRATING ULCERS OF THE SKIN. HARMFUL IF SWALLOWED. MAY CAUSE
CIRCULATORY FAILURE. MAY CAUSE PERFORATION OF THE DIGESTIVE TRACT.
HARMFUL IF INHALED. MAY CAUSE CHEMICAL PNEUMONITIS AND PULMONARY
EDEMA. CHRONIC: DERMATITIS.
Explanation of Carcinogenicity:THIS COMPOUND CONTAINS NO INGREDIENTS AT
CONCENTRATIONS OF 0.1% OR GREATER THAT ARE CARCINOGENS OR SUSPECT
CARCINOGENS.
Effects of Overexposure:EYE BURNS, IRREVERSIBLE EYE DAMAGE, ULCERATION
OF CONJUNCTIVA/CORNEA, DAMAGE MAY BE DELAYED. SKIN BURNS, SKIN
ULCERS, CICULATORY SYSTEM FAILURE, SEVERE DIGESTIVE TRACT BURNS,
ABDOMINAL PAIN, VOMITING, DEATH, CHEMICAL PNEUMONITIS,
PULMONARYEDEMA, COUGHING, BURNS, BREATHING DIFFICULTY, COMA,
DERMATITIS, CONJUNCTIVITIS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES: FLUSH WITH WATER FOR 15 MINUTES WHILE HOLDING EYELIDS
OPEN. GET MEDICAL ATTENTION. SKIN: REMOVE CONTAMINATED CLOTHING.
WASH WITH SOAP AND WATER. IF IRRITATION PERSIST, GET MEDICAL
ATTENTION. INH ALATION: REMOVE TO FRESH AIR. RESTORE BREATHING. GET
MEDICAL ATTENTION. INGESTION: DO NOT INDUCE VOMITING. GIVE 1-2
GLASSES OF WA TER IF CONSCIOUS. GET MEDICAL ATTENTION.

Flash Point:NONE
Lower Limits:NOT GIVEN
Upper Limits:NOT GIVEN
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY OR
ALCOHOL RESISTANT FOAM. USE WATER WITH CAUTION AND IN FLOODING
AMOUNTS.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND NIOSH-
APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE
OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:A VIOLENT EXOTHERMIC REACTION OCCURS WITH
WATER. SUFFICIENT HEAT MAY BE PRODUCED TO IGNITE COMBUSTIBLE
MATERIALS. HIGHLY TOXIC FUMES MAY BE FORMED.

Spill Release Procedures:USE PROPER PERSONAL PROTECTIVE EQUIPMENT.
VACUUM OR SWEEP UP MATERIAL AND PLACE INTO A SUITABLE DISPOSAL
CONTAINER. AVOID GENERATING DUSTY CONDITIONS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:USE WITH ADEQUATE VENTILATION. DO NOT
ALLOW WATER TO GET INTO THE CONTAINER BECAUSE OF VIOLENT REACTION.
DO NOT GET IN EYES, ON SKIN OR ON CLOTHING.
Other Precautions:DO NOT INGEST OR INHALE. STORE IN TIGHTLY CLOSED
CONTAINER. STORE IN A COOL, DRY PLACE AWAY FROM INCOMPATIBLES. KEEP
AWAY FROM STRONG ACIDS. KEEP AWAY FROM WATER. KEEP AWAY FROM
METALS. KEEP AWAY FROM FLAMMABLE LIQUIDS. KEEP FROM HALOGENS.

Respiratory Protection:FOLLOW THE OSHA RESPIRATOR REGULATIONS FOUND IN
29 CFR 1010.134. ALWAYS USE A NIOSH-APPROVED RESPIRATOR WHEN
NECESSARY.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:NEOPRENE OR LATEX
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:IMPERVIOUS PROTECTIVE CLOTHING SHOULD BE
WORN TO PREVENT SKIN CONTACT. EYE WASH & SAFETY EQUIPMENT SHOULD BE
AVAILABLE.
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
DRINKING/SMOKING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

HCC:B1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=1320.C, 2408.F
Melt/Freeze Pt:=360.C, 680.F
Vapor Pres:NOT GIVEN
Vapor Density:NOT GIVEN
Spec Gravity:2.044
pH:13.5
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:NOT GIVEN
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE OR YELLOW DELIQUESCENT SOLID, ODORLESS

Stability Indicator/Materials to Avoid:YES
WATER, ACIDS, METALS, CHLORINE DIOXIDE, NITROBENZENE, NITROMETHANE,
NITROGEN TRICHLORIDE
Stability Condition to Avoid:READILY ABSORBS CARBON DIOXIDE AND
MOISTURE FROM THE AIR AND DELIQUESCES.
Hazardous Decomposition Products:MAY FORM HYDROGEN UPON REACTION WITH
MOST METALS. MAY FORM TOXIC FUMES.

Waste Disposal Methods:WASTE DISPOSAL TO BE PERFORMED IN COMPLIANCE
WITH ALL CURRENT LOCAL, STATE AND FEDERAL REGULATIONS. EPA
HAZARDOUS WASTE NUMBER: D002 (CORROSIVE WASTE). CERCLA RQ: 1000
LBS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.