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

MSDS NAME:SODIUM NITRATE CRYSTALLINE, S5506
NIIN:00N091274
Status Code:A
MSDS Number: CJJSB
=== Responsible Party ===
Company:SIGMA CHEMICAL COMPANY
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-3010
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
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:SODIUM NITRATE  LD50: (ORAL, RAT) 3236 MG/KG
CAS:7631-99-4
RTECS #:WC5600000

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

LD50 LC50 Mixture:SEE INGREDIENT
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE EFFECTS: HARMFUL IF SWALLOWED,
    INHALED OR ABSORBED THROUGH SKIN. CAUSES EYE AND SKIN IRRITATION.
    MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY
    TRACT. TARGET ORGANS: BLOOD, CEN TRAL NERVOUS SYSTEM. TO THE BEST
    OF MANUFACTURER'S KNOWLEDGE, THE CHEMICAL, PHYSICAL AND
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:EYES/SKIN: IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN
    WITH COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE
    REMOVING CONTAMINATED CLOTHING AND SHOES. INHAL: REMOVE TO FRESH
    AIR. IF NOT B REATHING GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS
    DIFFICULT, GIVE OXYGEN. INGEST: WASH OUT MOUTH WITH WATER PROVIDED
    PERSON IS CONSCIOUS. CALL MD. WASH CONTAMINATED CLOTHING BEFORE
    REUSE.

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

Extinguishing Media:WATER SPRAY.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT . STRONG OXIDIZER.
Unusual Fire/Explosion Hazard:CONTACT WITH OTHER MATERIAL MAY CAUSE
    FIRE. EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED
    SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY RUBBER
    GLOVES. COVER WITH DRY LIME OR SODA ASH, PICK UP, KEEP IN A CLOSED
    CONTAINER AND HOLD FOR WASTE DIS POSAL. VENTILATE AREA AND WASH
    SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:SEE WASTE DISPOSAL METHOD.

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

Handling and Storage Precautions:AVOID BREATHING DUST. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    WASH THOROUGHLY AFTER HANDLING. TOXIC. IRRITANT. KEEP TIGHTLY
    CLOSED. KEEP AWAY FROM COMBUSTIBLE M ATERIALS, HEAT, SPARKS & OPEN
    FLAEM. HYGROSCOPIC. STORE IN A COOL, DRY PLACE.

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

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 .
Other Protective Equipment:ANSI APPROVED EYE WASH AND DELUGE SHOWER .
    WEAR OTHER PROTECTIVE CLOTHING.
Supplemental Safety and Health
TOXICOLOGICAL INFO: (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN
    RTECS FOR COMPLETE INFO. OTHER INFO: PHOSPHIDE, POWDERED CHARCOAL,
    PEROXYFORMIC ACID, BARIUM THIOCYANATE, METAL CYANIDES RSLTS I N
    EXPLO. WHEN PHENOL WAS ADDED TO TRIFLUOROACETIC ACID/SODIUM
    NITRATE, HAZ RAPID EXOTHERMIC RXN OCCURRED.

===================  Toxicological Information	===================

Toxicological Information:SODIUM (I) NITRATE (1:1) - TOXICITY DATA:
    ORL-MAN LDLO: 114MG/KG (FAONAU 38A,31,65). ORL-RAT LD50: 3236 MG/KG
    (FAONAU 38A,31,65). IVN-MUS LD50: 175 MG/KG (ATXKAB 21,89,65).
    ORL-RBT LD50: 2680 MG/KG (S OVEA7 27,246,74). REVIEWS, STANDARDS
    ®S - EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR
    RE-REGISTRATION FERAC 54,4388,89. NOHS 1974: HZD 69220; NIS 164;
    TNF 17916; NOS 119; TNE 165980. NOES 1 983: HZD 69220000; TNF 249;
    NIS 40765; NOS 152; TNE 557740; TFE 110040. EPA GENETOX PROGRAM
    1988, INCONCLUSIVE: SHE-CLONAL ASSAY. EPA TSCA CHEMICAL INVENTORY,
    JUNE 1990. ONLY SELECTED REGISTRY OF TOX  EFTS OF CHEM SUBSTANCES )
    (SUPDAT)

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

Waste Disposal Methods:FOR SM QTYS: CAUTIOUSLY ADD TO LARGE STIRRED
    EXCESS OF WATER. ADJUST PH TO NEUT, SEPARATE ANY INSOL SOLIDS OR
    LIQS & PACKAGE THEM FOR HAZ-WASTE DISPOSAL. FLUSH AQUEOUS SOLN DOWN
    DRAIN W/PLENTY OF WATE R. HYDROLYSIS & NEUTRALAZATION RXNS MAY
    GENERATE HEAT & FUMES WHICH CAN BE CONTROLLED BY RATE OF ADD N.
    OBSERVE FED, STATE & LOCAL ENVIRONMENTAL REGS.

=======================  Other Information  =======================

 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.

*** END OF RECORD ***