Product ID:SODIUM BISULFITE,TECHNICAL
MSDS Date:05/20/1993
FSC:6810
NIIN:01-359-4918
MSDS Number: BSDCG

Emergency Phone: 504-734-1971/800-424-9300(CHEMTREC)

Info Phone: 504-734-1971

Cage: 1V771

Telephone: 504-734-1971

Cage: 1V771

SODIUM METABISULFITE/SODIUM BISULFITE

CAS: 7681-57-4

RTECS: UX8225000

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3; 9293

LD50 LC50 Mixture:TLV IS 5 MG/M3 (RTECS).
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE- EYES:DUST/MIST MAY
IRRITATE/BURN. SKIN:REPEATED/PROLONGED CONTACT WITH DUST/MIST MAY
CAUSE IRRITATION. INHALATION:DUST/MIST MAY CAUSE RESPIRATORY TRACT
IRRITATION. ORAL:MAY CAUSE GI IRRITATION. VERY LARGE DOSES MAY
CAUSE DEPRESSION & DEATH. CHRONIC- UNKNOWN. TARGET ORGANS:EYES,
SKIN, LUNGS, GI TRACT.
Effects of Overexposure:EYES, SKIN, RESPIRATORY AND GASTROINTESTINAL
TRACTS IRRITATION AND BURNS

First Aid:CALL A DOCTOR IF SYMPTOMS PERSIST. EYE:IMMEDIATELY FLUSH WITH
WATER FOR 15 MINUTES, HOLDING EYELIDS OPEN. SKIN:WASH WITH SOAP &
WATER. INHALED:REMOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF NEEDED.
ORAL:I F CONSCIOUS, DRINK PLENTY OF WATER OR MILK. INDUCE VOMITING.
CALL A PHYSICIAN/POISON CONTROL CENTER IMMEDIATELY.

Flash Point:NON-FLAMMABLE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:MAY FORM SODIUM SULFIDE WHICH IS AN
EXPLOSIVE HAZARD AND STRONGLY ALKALINE IN CONTACT WITH WATER.

Spill Release Procedures:VACUUM OR SWEEP UP SPILLAGE. AVOID CREATING
DUST. PLACE SPILLAGE IN APPROPRIATE CONTAINER FOR WASTE DISPOSAL.
VENTILATE AREA AND CAUTIOUSLY SPRAY RESIDUE WITH PLENTY OF WATER.
AVOID BREATHING SULFUR D IOXIDE GAS WHICH WILL BE GENERATED DUE TO
WATER.
Neutralizing Agent:ALKALI

Handling and Storage Precautions:STORE IN COOL, DRY, WELL-VENTILATED
PLACE AWAY FROM INCOMPATIBLE MATERIALS.
Other Precautions:DO NOT RAISE DUST. AVOID CONTACT WITH EYES AND SKIN.
AVOID INHALATION OF DUST OR MIST. WASH THOROUGHLY AFTER HANDLING
MATERIAL. KEEP OUT OF REACH OF CHILDREN. KEEP AWAY FROM WATER AND
ACIDS.

Respiratory Protection:IF WORKING IN A CONFINED AREA OR IF ENGINEERING
CONTROLS DO NOT MAINTAIN AIRBORNE CONCENTRATIONS BELOW TLV, USE
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS OR SUPPLIED AIR
RESPIRATOR, OPERATED I N POSITIVE PRESSURE MODE.
Ventilation:LOCAL EXHAUST
Protective Gloves:COTTON
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:EYE WASH STATION, HARD HAT, FULL WORK
CLOTHING
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTACT LENSES.
Supplemental Safety and Health

HCC:N1
NRC/State Lic Num:NOT RELEVANT
Decomp Temp:Decomp Text:>302F,>150C
Spec Gravity:1.48
Evaporation Rate & Reference:NOT RELEVANT
Solubility in Water:39% @ 61F (16C)
Appearance and Odor:FINE, WHITE GRANULAR - PUNGENT SULFUR DIOXIDE GAS
ODOR

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, ACIDS, WATER
Stability Condition to Avoid:TEMPERATURES ABOVE 150C (302F) AND
MOISTURE
Hazardous Decomposition Products:SULFUR DIOXIDE GAS, SODIUM SULFIDE
RESIDUE

Waste Disposal Methods:NEUTRALIZE WITH ALKALI AND FLUSH TO SEWER WITH
PLENTY OF WATER IF PERMITTED. GOOD VENTILATION IS REQUIRED DURING
NEUTRALIZATION DUE TO RELEASE OF SO2 GAS. OXIDATION TO SODIUM
SULFATE USING HYDROGEN PE ROXIDE MAY BE REQUIRED. OBSERVE ALL
REGULATIONS.

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.