Product ID:POTASSIUM NITRITE
MSDS Date:10/16/1992
FSC:NIIN:Submitter:D DG
Status Code:A
MSDS Number: CJZTF

Emergency Phone: 716-228-6177/334-4222

Info Phone: 716-359-2502

Preparer: ALEXANDER A. PICCIRILLI

Cage: EO227

Telephone: 716-359-2502

Cage: EO227

POTASSIUM NITRITE

CAS: 7758-09-0

RTECS: TT3750000

POTASSIUM NITRATE

CAS: 7757-79-1

RTECS: TT3700000

LD50 LC50 Mixture:ORAL LD50(RAT): UNKNOWN.
Health Hazards Acute and Chronic:INHALATION: HARMFUL IF INHALED.
OVEREXPOSURE TO HIGH DUST CONCENTRATIONS MAY RESULT IN PERSISTENT
HEADACHE, DIZZINESS, NAUSEA,VOMITING, CYANOSIS, COMA, CONVULSIONS
AND DEATH. EYES: MAY CAUSE EYE IRRIT ATION. SKIN: MAY CAUSE SKIN
IRRITATION. INGESTION: MAY BE FATAL/HARMFUL IF SWALLOWED. EFFECTS
SAME AS INHALATION.T HIS COMPOUND FORMS METHEMOGLOBIN.
Effects of Overexposure:INHALATION/INGESTION: HEADACHE, DIZZINESS,
NAUSEA, VOMITING, CYANOSIS, COMA, CONVULSIONS AND DEATH.
EYE/SKIN:IRRITATION.
Medical Cond Aggravated by Exposure:NONE SPECIFIED

First Aid:EYES: IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR 15 MINUTES.
GET MEDICAL ATTENTION. SKIN: FLUSH WITH WATER, THEN WASH WITH SOAP
AND PLENTY OF WATER, INGESTION:IF CONSCIOUS, GIVE 1-2 GLASSES OF
WATER T O DRINK. INDUCE VOMITING. REPEAT UNTIL VOMIT FLUID IS
CLEAR. CALL PHYSICIAN. INHALATION: REMOVE TO FRESH AIR. GET PROMPT
MEDICAL ATTENTION.

Flash Point:NON-FLAMMABLE
Extinguishing Media:FLOOD WITH WATER, FOG, CARBON DIOXIDE; OR DRY
CHEMICAL.
Fire Fighting Procedures:IF IN FIRE, WEAR NIOSH-APPROVED SELF-CONTAINED
BRATHING APPARATUS. USE FLOODING AMOUNTS OF WATER IN EARLY STAGES
OF FIRE. WHEN LARGE QUANTITIES ARE INVOLVED IN FIRE, NITRITES MAY
FUSE OR MELT, IN WHIC H CONDITION, APPLICATION OF WTER MAY RESULT
IN EXTENSIVE SCATTERING OF MOLTEN MATERIAL.
Unusual Fire/Explosion Hazard:STONG OXIDIZING MATERIAL. IN CONTACT WITH
EASILY OXIDIZABLE SUBSTANCES IT MAY REACT RAPIDLY TO CAUSE
IGNITION, VIOLENT COMBUSTION OR EXPLOSION. YIELDS TOXIC GASEOUS
OXIDES OF NITROGEN WHEN INVOLVED IN FIRE. EXPLOSION TEMPERATURE:
537C(998F).

Spill Release Procedures:SWEEP UP AND PLACE IN SUITABLE CONTAINER. DO
NOT ALLOW TO REMAIN IN CONTACT WITH COMBUSTIBLES. FLUSH SPILL AREA
WITH WATER.

Handling and Storage Precautions:STORE IN COOL, DRY PLACE AWAY FROM
WATER AND ACIDS.HYGROSCOPIC.IGNITES WITH FRICTION WHEN IN CONTACT
WITH ORGANIC MATERIALS. WASH THOROUGHLY AFTER HANDLING. REMOVE AND
WASH CONTAMINATED CLOTHING. KEEP CONTAINER TIGHTLY CLOSED WHEN NOT
IN USE.
Other Precautions:MIXTURES WITH INCOMPATIBLE MATERIALS MAY REACT
VIOLENTLY OR EXPLODE.POTASSIUM NITRITE SHOULD NOT BE MIXEDIN
QUANTITY WITH OTHER CHEMICALS EXCEPT WHEN THE BEHAVIOR OF THE
MIXTURE IS KNOWN IN ADVANCE.RE AD LABEL ON CONTAINER BEFORE
USING.DO NOT WEAR CONTACT LENSES WHEN WORKING WITH CHEMICALS.KEEP
OUT O F REACH OF CHILDREN.

Respiratory Protection:NONE REQUIRED IN NORMAL LABORATORY HANDLING. IF
DUSTY, WORK IN FUME HOOD OR WEAR STANDARD PARTICULATE RESPIRATOR.
Ventilation:LOCAL AND MECHANICAL(GENERAL) VENTILATION RECOMMENDED.
Protective Gloves:RUBBER
Eye Protection:CHEMICAL SAFETY GLASSES
Other Protective Equipment:SMOCK, APRON, EYE WASH STATION, PROPER
GLOVES.
Work Hygienic Practices:STORE IN A COOL DRY PLACE AWAY FROM WATER AND
ACIDS. HYGROSCOPIC. WASH THOROUGHLY AFTER HANDLING.REMOVE AND WASH
CONTAMINATED CLOTHING.
Supplemental Safety and Health
WARD' P/N: 37W2774

HCC:D1
Boiling Pt:=350.C, 662.F
B.P. Text:DECOMPOSED
Melt/Freeze Pt:=441.C, 825.8F
Decomp Temp:=350.C, 662.F
Vapor Pres:NEGILGIBLE
Vapor Density:NO DATA
Spec Gravity:1.915
Solubility in Water:281G/100ML
Appearance and Odor:WHITE OR SLIGHTLY YELLOW,DELIQUESCENT CRYSTALS.

Stability Indicator/Materials to Avoid:YES
STRONG REDUCERS, STRONG ACIDS, ORGANIC MATERIALS, CYANIDES,AMMONIUM
SALTS, CELLULOSE, CHLORATES,I ODIDES, MERCURY SALTS.
Stability Condition to Avoid:TEMPERATURES ABOVE 350C OR CONTACT WITH
NITROGEN TRIOXIDE(N203).
Hazardous Decomposition Products:GASEOUS NITROGEN OXIDES, WHICH ARE
TOXIC AND ARE OXIDIZERS.LEAVES CAUSTIC RESIDUE.

Waste Disposal Methods:DISCHARGE, TREATMENT, OR DISPOSAL MAY BE SUBJECT
TO FEDERAL, STATE OR LOCAL LAWS. THESE DISPOSAL GUIDELINES ARE
INTENDED FOR THE DISPOSAL OF CATALOG-SIZE QUANTITIES ONLY. DISSOLVE
IN WATER AND FLUSH T O SEWER WITH COPIOUS AMOUNTS OF WATER.

Toxicological Information:TLV: NONE ESTABLISHED.

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.

Transport Information:D.O.T.: POTASSIUM NITRITE, 5.1, UN 1488.