ALDRICH CHEMICAL CO SUB OF SIGMA-ALDRICH -- POTASSIUM NITRATE  -- 6810-00-281-7476
<pre>=====================  Product Identification  =====================

Product ID:POTASSIUM NITRATE
MSDS Date:07/24/1992
FSC:6810
NIIN:00-281-7476
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO SUB OF SIGMA-ALDRICH
Address:1001 W ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850/FAX 414-273-4979
Emergency Phone Num:800-325-5832-S/800-231-8327-A
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 NITRATE
CAS:7757-79-1
RTECS #:TT3700000
Fraction by Wt: 99.99%

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

LD50 LC50 Mixture:ORAL LD50 (RAT): 3750 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:INHALATION: HARMFUL, MUCOUS MEMBRANE &
    UPPER RESPIRATORY TRACT IRRITATION. INGESTION: HARMFUL. EYES:
    IRRITATION. SKIN: IRRITATION, ABSORPTION. ABSORPTION LEADS TO
    FORMATION OF METHOMOGLOBIN WHICH IN S UFFICIENT CONCENTRATION
    CAUSES CYANOSIS.
Explanation of Carcinogenicity:NONE

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

First Aid:EYES: FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MINUTES. SKIN:
    REMOVE CONTAMINATED CLOTHING WHILE FLUSHING W/PLENTY OF WATER.
    INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF NECESSARY.
    INGESTION: WA SH OUT MOUTH W/WATER IF CONCIOUS. OBTAIN MEDICAL
    ATTENTION IN ALL CASES.

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

Extinguishing Media:WATER SPRAY
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
    CONTACT W/OTHER MATERIALS MAY CAUSE FIRE.

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

Spill Release Procedures:EVACUATE AREA. WEAR SCBA &
    PROTECTIVEEQUIPMENT. COVER W/DRY LIME OR SODA ASH. PICK UP, KEEP IN
    A LOCSED CONTAINER/HOLD FOR WASTE DISPOSAL. VENTILATE AREA/WASH
    SPILL SITE AFTER MATERIAL PICKUP.

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

Handling and Storage Precautions:STORE IN COOL DRY PLACE. KEEP TIGHTLY
    CLOSED. PROTECT FROM MOISTURE. KEEP AWAY FROM COMBUSTIBLE MATERIALS
    SUCH AS HEAT, SPARKS, & OPEN FLAME.
Other Precautions:DON'T GET IN EYES, ON SKIN, OR ON CLOTHING. DON'T
    BREATH DUST.

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

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD
Protective Gloves:CHEMICAL RESISTANT.
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:RUBBER BOOTS, SAFETY SHOWER, EYE BATH, &
    OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:633.2 F
Spec Gravity:2.109
Appearance and Odor:COLORLESS TO WHITE CRYSTALS

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

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, FINELY POWDERED METALS, STRONG ACIDS.
Stability Condition to Avoid:HEAT, SPARKS, OPEN FLAMES, MOISTURE
Hazardous Decomposition Products:NITROGEN OXIDES

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

Waste Disposal Methods:ADD TO LARGE STIRRED EXCESS OF WATER. ADJUST THE
    PH TO NEUTRAL/SEPARATE ANY INSOLUBLE SOLIDS/LIQUIDS/PACKAGE THEM
    FOR HAZARDOUS WASTE DISPOSAL. FLUSH AQUEOUS SOLUTION DOWN DRAIN
    W/PLENTY OF WATER. DIS POSE OF IAW/FEDERAL, STATE & LOCAL
    REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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