Product ID:P7391, POTASSIUM NITRITE
MSDS Date:01/27/1992
FSC:6810
NIIN:00N028564
MSDS Number: BMYCZ

Emergency Phone: 314-771-5765

Info Phone: 800-325-3010

Cage: 0DK69

Telephone: 314-771-5765

Cage: 0DK69

1)

CAS: 7758-09-0

RTECS: TT3750000

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: BLOOD & SMOOTH MUSCLE.
HARMFUL IF SWALLOWED, INHALED OR ABSORBED THROUGH SKIN. CAUSES EYE
& SKIN IRRITATION. TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL,
PHYSICAL & TOXICOLOGICAL PROPERT IES HAVE NOT BEEN THOROUGHLY
INVESTIGATED.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:PRODUCES METHEMOGLOBIN, NAUSEA, VOMITING, RAPID
PULSE, HEADACHE & VISUAL DISTURBANCES.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES/SKIN:IMMEDIATELY FLUSH EYES OR SKIN W/ COPIOUS AMOUNTS
OF WATER FOR AT LEAST 15 MINS WHILE REMOVING CONTAMINATED CLOTHING
& SHOES. WASH CONTAMINATED CLOTHING BEFORE REUSE. INHAL:REMOVE TO
FRESH A IR. IF NOT BREATHING GIVE ARTIFICIAL RESPIRATION. IF
BREATHING IS DIFFICULT, GIVE OXYGEN. INGEST:IF SWALLOWED, WASH OUT
MOUTH W/WATER PROVIDED PERSON IS CONSCIOUS. CALL A MD.

Extinguishing Media:WATER SPRAY.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE CLOTHING .
Unusual Fire/Explosion Hazard:CONTACT W/OTHER MATERIAL MAY CAUSE FIRE.
EMITS TOXIC FUMES UNDER FIRE CONDITIONS. CONTAINER EXPLOSION MAY
OCCUR UNDER FIRE CONDITIONS.

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH/MSHA APPROVED SCBA,
RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER W/DRY LIME OR SODA ASH,
PICK UP, KEEP IN A CLOSED CONTAINER & HOLD FOR WASTE DISPOSAL.
VENTILATE AREA & WASH SPI LL SITE AFTER MATERIAL PICKUP IS
COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP AWAY
FROM COMBUST MATLS, HEAT, SPARKS & OPEN FLAME. KEEP TIGHTLY CLSD.
Other Precautions:TOXIC. IRRITANT. HYGROSCOPIC. DO NOT GET IN EYES, ON
SKIN OR ON CLTHG. AVOID BRTHG DUST. AVOID PRLNGD/RPTD EXPOS. WEAR
SUITABLE PROT CLTHG. INCOMPATIBLE WITH:CHLORATES, HYPOPHOSPHITES,
IODIDES, MERCUR Y SALTS, PERMANGANATE, (SUPP DATA)

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
BATH.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
WASTE DISP METH:WHICH CAN BE CONTROLLED BY THE RATE OF ADDITION. OTHER
PREC:SULFITES, PRIMARY AMINES & AMIDES, SECONDARY AMINES & AMIDES,
ACTIVATED CARBON, AMMONIUM SALT, CYANOGEN COMPOUNDS, THIOCYANA TES,
THIOSULFATES, CYANIDES, SODIUM AMIDE & BORON.

HCC:D1
Melt/Freeze Pt:M.P/F.P Text:662F,350C
Spec Gravity:1.915
Appearance and Odor:LIGHT-YELLOW CRYSTALLINE POWDER.

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, FINELY POWDERED METALS & STRONG ACIDS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NITROGEN OXIDES.

Waste Disposal Methods:SMALL QTY:CAUTIOUSLY ADD TO A LGE STIRRED EXCESS
OF WATER. ADJUST PH TO NEUT, SEPARATE ANY INSOL SOLIDS/LIQS &
PACKAGE THEM FOR HAZ-WASTE DISP. FLUSH AQ SOLN DOWN DRAIN W/PLENTY
OF WATER. THE HYDROLYS IS & NEUT RXNS MAY GENERATE HEAT/FUMES (SUPP
DATA)

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.