Product ID:POTASSIUM HYDROXIDE PELLETS, 60369
MSDS Date:07/31/1996
FSC:6810
NIIN:00N085045
MSDS Number: CGVMD

SIGMA CHEMICAL CO

ST LOUIS, MO 63178
US

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

SIGMA CHEMICAL COMPANY

14508 ST LOUIS, MO 63178 US

Telephone: 314-771-5765

Cage: 21076

POTASSIUM HYDROXIDE (CERCLA)

CAS: 1310-58-3

RTECS: TT2100000

Fraction By Weight: 100%

OSHA PEL 2 MG/M3, C

ACGIH TLV: 2 MG/M3, C

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:LD50:(ORAL,RAT) 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:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE
OF MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT, EYES AND SKIN.
INHALATION MAY BE FATAL AS RES ULT OF SPASM, INFLAMMATION AND EDEMA
OFTHE LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS & PULMONARY
EDEMA.(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:SYMPTOMS OF EXPOSURE MAY INCLUDE
BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF
BREATH, HEADACHE, NAUSEA & VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
ASSURE ADEQ FLUSHING BY SEPARATING LIDS W/FINGERS. SKIN:IMMED FLUSH
W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING CONTAM
CLTHG & SHOES. DISCARD CONTAM CLTHG & SHOES. INHAL:REMOVE TO FRESH
AIR. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYG.
INGEST:WASH OUT MOUTH W/WATER PROVIDED PERS IS CONSCIOUS. CALL MD
IMMED.

Extinguishing Media:NONCOMBUSTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
TO SURROUNDING FIRE CONDITIONS. DO NOT USE WATER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT . REACTS VIOLENTLY W/WATER.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
DANGER:UNDER FIRE CONDITIONS MATERIAL WILL MELT & FLOW.

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED SCBA,
RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG & HOLD
FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WASH SPILL
SITE AFTER MATERIAL PIC KUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:DO NOT BREATHE DUST. DO NOT GET IN
EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
TOXIC. KEEP TIGHTLY CLOSED.
Other Precautions:DO NOT ALLOW CONTACT W/WATER. STORE IN COOL, DRY
PLACE. CORROSIVE. CAUSES BURNS. HARMFUL BY INHAL, IN CONT W/SKIN &
IF SWALLOWED. REACTS VIOLENTLY W/WATER. IN CASE OF ACCIDENT/IF YOU
FEEL UNWELL, SEEK MED ADVICE IMMED (SHOW LBL WHERE POSS).

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES AND FULL LENGTH
FACESHIELD .
Other Protective Equipment:ANSI APPROVED EYE WASH FOUNTAIN & DELUGE
SHOWER . WEAR OTHER SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. TAKE OFF
IMMEDIATELY ALL CONTAMINATED CLOTHING.
Supplemental Safety and Health
MATLS TO AVOID: WITH ALUMINUM, TIN, ZINC & THEIR ALLOYS TO GENERATE
FLAMMABLE & EXPLOSIVE HYDROGEN GAS. POTASSIUM HYDROXIDE REACTS WITH
TRICHLOROETHYLENE TO FORM SPONTANEOUS FLAMMABLE DICHLOROACETYLEN E.

Melt/Freeze Pt:M.P/F.P Text:682F,361C
Vapor Pres:1 @ 719C
Spec Gravity:2.044
Appearance and Odor:SOLID.

Stability Indicator/Materials to Avoid:YES
ACIDS, ALUMINUM, HALOGENS, NITRO CMPDS, ORG MATLS, ACID CHLORIDES, ACID
ANHYDRIDES, MAGNESIUM, COPPER, TIN, ZINC. REACTS VIOLENTLY W/WATER.
GENERATES FLAMM &/EXPLO HYDROGEN GAS IN CONT W/METALS MOLTEN MATL
REACTS VIOLENTLY
Stability Condition to Avoid:DO NOT HEAT ABOVE MELTING POINT. PROTECT
FROM MOISTURE. ABSORBS CO*2 FROM AIR.
Hazardous Decomposition Products:HYDROGEN GAS.

Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
SERVICE TO DISPOSE OF THIS MATERIAL. OBSERVE ALL FEDERAL, STATE &
LOCAL ENVIRONMENTAL REGULATIONS.

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