ALDRICH CHEMICAL CO INC. -- POTASSIUM HYDROXIDE 60369  -- 6810-00-234-8366
<pre>=====================  Product Identification  =====================

Product ID:POTASSIUM HYDROXIDE 60369
MSDS Date:04/01/1992
FSC:6810
NIIN:00-234-8366
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO INC.
Address:1001 W. ST. PAUL AVE
Box:2060
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Info Phone Num:414-273-3850
Emergency Phone Num:800-231-8327
CAGE:60928
=== Contractor Identification ===
Company Name: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

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

Ingred Name:POTASSIUM HYDROXIDE (SARA III)
CAS:1310-58-3
RTECS #:TT2100000
Other REC Limits:NONE SPECIFIED
OSHA PEL:C, 2 MG/M3
ACGIH TLV:C 2 MG/M3; 9192
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:ORAL LD50 (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:EYES: EXTREMELY DESTRUCTIVE TO MUCOUS
    MEMBRANES. SKIN: HARMFUL IF ABSORBED THROUGH SKIN. INHALATION: MAY
    BE FATAL AS A RESULT OF SPASM, INFLAMATION AND EDEMA OF THE LARYNX
    AND BRONCHI.
Explanation of Carcinogenicity:THIS MATERIAL IS NOT KNOWN TO BE
    CARCINOGENIC.
Effects of Overexposure:BURNING SENSATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING.
Medical Cond Aggravated by Exposure:PERSONS WITH A SKIN DISORDER, EYE
    DISORDERS, OR IMPARED RESPIRATORY FUNCTION SHOULD USE CAUTION WHEN
    HANDLING OR USING THIS PRODUCT.

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

First Aid:SKIN: REMOVE CONTAMINATED CLOTHING. WASH WITH SOAP AND WATER.
    GET MEDICAL ATTENTION IF IRRITATION PERSISTS. INHALATION: REMOVE TO
    FRESH AIR & RESTORE BREATHING IF NECESSARY. GET MEDICAL ATTENTION.
    EYE : IMMEDIATELY FLUSH WITH WATER FOR 15 MINUTES WHILE HOLDING
    EYELIDS OPEN. GET MEDICAL ATTENTION. INGESTION: WASH OUT MOUTH WITH
    WATER PROVIDED PERSON IS CONSCIOUS. CALL A PHYSICIAN IMMEDIATELY.

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

Flash Point:NONE
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS. DO NOT USE WATER.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
    PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS

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

Spill Release Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS,
    RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG AND
    HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA AND
    WASH SPILL SITE AFTER MATERI AL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL, DRY, VENTILATED
    PLACE. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. VERY
    HYGROSCOPIC. USE ONLY IN A CHEMICAL FUME HOOD.
Other Precautions:SPILLAGE CAN BE SLIPPERY. MATERIAL ABSORBS MOISTURE
    AND CARBON DIOXIDE FROM THE AIR.

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

Respiratory Protection:NOT NORMALLY REQUIRED. USE NIOSH/MSHA APPROVED
    RESPIRATOR FOR HANDLING MIST IF PROLONGED CONTACT WITH MATERIAL.
Ventilation:ADEQUATE ROOM VENTILATION SUFFICIENT TO MEET TLV.
Protective Gloves:NEOPRENE OR RUBBER GLOVES
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:EYE WASH. CHEMICAL APRON IS RECOMMENDED.
    FULL RUBBER BOOTS RECOMMENDED. DO NOT WEAR THIN RUBBER COVERS OVER
    LEATHER SHOE
Work Hygienic Practices:DO NOT TAKE INTERNALLY. AVOID SKIN CONTACT.
    WASH SKIN AFTER USING PRODUCT. DO NOT EAT, DRINK OR SMOKE IN WORK
    AREA.
Supplemental Safety and Health
CORROSIVE LIQUID - AVOID CONTACT. CONTACT LENSES SHOULD NOT BE WORN
    WHEN DEALING WITH THIS PRODUCT. KEEP EYE WASH AND QUICK DRENCH
    SHOWER FACILITIES AVAILABLE WHEN WORKING WITHN THIS MATERIAL.
    DANGER:  UNDER FIRE CONDITIONS MATERIAL WILL MELT AND FLOW. MOLTEN
    MATERIAL REACTS VIOLENTLY WITH WATER.

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

HCC:B1
Melt/Freeze Pt:=361.1C, 682.F
Vapor Pres:1 @ 719C
Spec Gravity:2.044
Solubility in Water:COMPLETE
Appearance and Odor:WHITE PELLETS.

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

Stability Indicator/Materials to Avoid:YES
ACIDS, ACID HALIDES, ACID ANHYDRIDES, MAGNESIUM, ALUMINUM, COPPER.
Stability Condition to Avoid:EXTREMELY HIGH TEMPERATURES, MOISTURE
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
    KNOWN.

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

Waste Disposal Methods:FOR SMALL QUANTITIES: CAUTIOUSLY ADD TO A LARGE
    STIRRED EXCESS OF WATER. ADJUST THE PH TO NEUTRAL. FLUSH THE
    AQUEOUS SOLUTION DOWN THE DRAIN WITH PLENTY OF WATER. OBSERVE ALL
    FEDERAL, STATE AND LOCAL  LAWS.

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