=====================  Product Identification  =====================

MSDS NAME:60369 POTASSIUM HYDROXIDE PELLETS
NIIN:00F055848
MSDS Number: CGVVF
=== Responsible Party ===
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

=============  Composition/Information on Ingredients  =============

Name:POTASSIUM HYDROXIDE, KOH
CAS:1310-58-3
RTECS #:TT2100000
Other REC Limits:2 MG/CUM (CEILING)
ACGIH TLV:2 MG/CUM (CEILING)
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:ORAL LD50(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:HARMFUL IF INGESTED, INHALED/ABSORBED
    THROUGH SKIN. EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS
    MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN. INHALATION:
    FATAL, AS A RESULT OF EDEMA OF THE LARYN X, BRONCHI, CHEMICAL
    PNEUMONITIS & PULMONARY EDEMA.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SPASM, INFLAMMATION, BURNING SENSATION,
    COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE,
    NAUSEA, VOMITING.

=======================  First Aid Measures  =======================

First Aid:EYES/SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS.
    INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF NEEDED.
    INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN MEDICAL
    ATTENTION IN ALL CAS ES.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS.
Fire Fighting Procedures:DON'T USE WATER. WEAR SCBA & PROTECTIVE
    CLOTHING.
Unusual Fire/Explosion Hazard:NONCOMBUSTIBLE. REACTS VIOLENTLY W/WATER.
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVACUATE AREA. WEAR SCBA, RUBBER BOOTS & HEAVY
    RUBBER GLOVES. SWEEP UP, PLACE IN A BAG & HOLD FOR WASTE DISPOSAL.
    AVOID RAISING DUST. VENTILATE AREA & WASH SITE AFTER MATERIAL
    PICKUP IS COMPLETE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN A COOL DRY PLACE. KEEP
    TIGHTLY CLOSED. UNDER FIRE CONDITIONS MATERIAL WILL MELT & FLOW.
    AVOID PROLONGED/REPEATED EXPOSURE.
Other Precautions:DON'T ALLOW CONTACT W/WATER. DON'T GET IN EYES,
    SKIN/CLOTHING. DON'T BREATHE DUST. MOLTEN MATERIAL REACTS VIOLENTLY
    W/WATER & CAN REACT W/ALUMINUM/TIN/ZINC & THEIR ALLOYS TO GENERATE
    FLAMMABLE & EXPLO SIVE HYDROGEN GAS. (SEE SUPP)

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES/FACESHIELD (8-INCH MIN)
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
    BATH.
Work Hygienic Practices:DISCARD CONTAMINATED CLOTHING & SHOES. WASH
    THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MATERIALS TO AVOID CONT'D: ABSORBS CO2 FROM AIR, WATER, METALS.
    PRECAUTIONS CONT'D: POTASSIUM HYDROXIDE REACTS W/TRICHLOROETHYLENE
    TO FORM SPONTANEOUSLY FLAMMABLE DICHLOROACETYLENE.

==================  Physical/Chemical Properties  ==================

Melt/Freeze Pt:M.P/F.P Text:681.8F
Vapor Pres:1
Spec Gravity:2.044
Appearance and Odor:SOLID

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
ACIDS/ALUMINUM/HALOGENS/NITRO COMPOUNDS/ORGANIC MATERIALS/ACID
    CHLORIDES/ACID ANHYDRIDES/MAGNESIUM/COPPER/TIN/ZINC.(SUPP
Stability Condition to Avoid:HEAT >681.8F, MOISTURE.
Hazardous Decomposition Products:COMBUSTION: HYDROGEN GAS.

====================  Disposal Considerations  ====================

Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
    SERVICE TO DISPOSE OF MATERIAL, IAW/FEDERAL, STATE & LOCAL
    REGULATIONS.

 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.

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