Product ID:SODIUM NITRITE TABLETS, S7130
MSDS Date:07/31/1994
FSC:6810
NIIN:00N060030
MSDS Number: BXRLJ

SIGMA CHEMICAL CO

ST LOUIS, MO 63178
US

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 0DK69

SIGMA CHEMICAL CO SIGMA DIAGNOSTICS DIV

ST LOUIS, MO 63103-2530 US

Telephone: 314-771-5765

Cage: 0DK69

NITROUS ACID, SODIUM SALT; (SODIUM NITRITE TABLETS)

CAS: 7632-00-0

RTECS: RA1225000

OSHA PEL N/K

ACGIH TLV: N/K

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

PERSON IS CONSCIOUS. CALL MD.

RTECS: 9999999ZZ

SITE AFTER MATERIAL PICKUP IS COMPLETE.

RTECS: 9999999ZZ

SODIUM BISULFITE SOLN INITIATE IT BY

RTECS: 9999999ZZ

MOLYBDENUM ARE PRESENT ADJUST PH OF SOLN TO 7 & TREAT

RTECS: 9999999ZZ

EXCESS SULFIDE, NEUT & FLUSH SOLN DOWN DRAIN. OBSERVE

RTECS: 9999999ZZ

W/ACIDS LIBERATES TOXIC GAS.

RTECS: 9999999ZZ

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:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
ABSORBED THROUGH SKIN. CAUSES EYE & SKIN IRRITATION. MATERIAL IS
IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.
ABSORPTION INTO THE BODY LEADS TO THE FORMATION OF METHEMOGLOBIN
WHICH IN SUFFICIENT CONCENTRATION CAUSES CYANOSIS. ONSET MAY BE
DELAYED (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:2-4 HOURS OR LONGER. INGESTION OF ONE
GRAM HAS PRODUCED DEATH IN HUMANS. CHRONIC:LABORATORY EXPERIMENTS
HAVE SHOWN MUTAGENIC EFFECTS. TARGET ORGAN(S):BLOOD, CARDIOVASCULAR
SYSTEM.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:IMMED
FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING
CONTAM CLT HG & SHOES. WASH CONTAM CLTHG BEFORE REUSE. DISCARD
CONTAM SHOES. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF
RESP. IF BRTHG IS DFCLT, GIVE OXYGEN. INGEST:WASH OUT MOUTH W/WATER
PROVIDED (ING 2)

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

Spill Release Procedures:EVACUATE AREA. SHUT OFF ALL SOURCES OF IGNIT.
WEAR NIOSH/MSHA APPRVD SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES.
COVER W/DRY-LIME, SAND/SODA ASH. PLACE IN COVERED CNTNRS USING
NON-SPARKING TOOLS & TRANS PORT OUTDOORS. VENTILATE AREA & WASH
SPILL (ING 3)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID BRTHG DUST. DO NOT GET IN EYES,
ON SKIN, ON CLTHG. AVOID PRLNG/RPTD EXPOS. TOXIC. IRRITANT.
POSSIBLE MUTAGEN. KEEP TIGHTLY CLOSED. OXIDIZING.
Other Precautions:KEEP AWAY FROM COMBUST MATLS, HEAT, SPKS & OPEN
FLAME. HYGROSCOPIC. AVOID CONT W/ACID. STORE IN COOL, DRY PLACE.
CONT W/COMBUST MATL MAY CAUSE FIRE. TOX BY INHAL, IN CONT W/SKIN &
IF SWALLOWED. IRRIT TO EYES, RESP SYS & SKIN. CONT (ING 7)

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:SAFETY SHOWER & EYE BATH MEETING ANSI DESIGN
CRITERIA . WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MATLS TO AVOID:HYPOPHOSPHITES, IODIDES, MERCURY SALTS, PERMANGANATE,
SULFITES, TANNIC ACID, VEGETABLE ASTRINGENT DECOCTIONS,
INFUSIONS/TINCTURES, PRIMARY AMINES & AMIDES, SECONDARY AMINES &
AMIDES, AC TIVATED CARBON, AMMONIUM SALTS, CYANOGEN CMPDS,
THIOCYANATES, THIOSULFATES, CYANIDES, SODIUM AMIDE.

Melt/Freeze Pt:M.P/F.P Text:520F,271C
Spec Gravity:2.168
Appearance and Odor:OFF-WHITE CRYSTALS.

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, FINELY POWDERED METALS, STRONG ACIDS. INCOMPAT
W/ACETANILIDE, ANTIPYRINE, CHLORATES, (SUPDAT)
Stability Condition to Avoid:HYDROSCOPIC. KEEP AWAY FROM COMBUSTIBLE
MATERIALS, HEAT, SPARKS, OPEN FLAMES.
Hazardous Decomposition Products:NITROGEN OXIDES.

Waste Disposal Methods:CAUTIOUSLY ACIDIFY 3% SOLN/SUSPENSION OF MATL TO
PH 2 W/SULFURIC ACID. GRADUALLY ADD 50% EXCESS OF AQ SODIUM
BISULFITE W/STIRRING AT ROOM TEMP. INCR IN TEMP INDICATES THAT RXN
IS TAKING PLACE. IF NO R XN IS OBSERVED ON ADDN OF ABOUT 10% OF
(ING 4)

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