Product ID:012761, SODIUM METABISULFITE - TECHNICAL
MSDS Date:11/13/1989
FSC:6810
NIIN:00N032906
MSDS Number: BPLSF

Emergency Phone: 201-316-3000;800-424-9300(CHEMTREC)

Info Phone: 201-316-3870;800-426-8702

Cage: FO656

Telephone: 919-547-2000

Cage: 1T774

PYROSULFUROUS ACID, DISODIUM SALT; (SODIUM METABISULFITE)

CAS: 7681-57-4

RTECS: UX8225000

Fraction By Weight: 100%

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:CONT W/EYES & SKIN MAY RSLT IN MECH
IRRIT. INHAL OF DUSTS MAY RSLT IN RESP IRRIT. INHAL OF DECOMP PRODS
CAUSES IRRIT & MAY RSLT IN PULM EDEMA. INGEST RSLTS IN GASTRIC
DISTURB. EXPOS TO SMALL AMTS OF S ULFITES HAVE BEEN REPORTED TO
CAUSE HYPERSENSITIVITY RXNS IN CERTAIN SUSCEPTABLE INDIV, ESP (EFTS
OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:ASTHMATICS. SYMPTOMS MAY INCLUDE
HIVES, RESPIRATORY DISTRESS, FLUSHING, GI DISTURBANCES & CONTACT
DERMATITIS. SEVERE CASES MAY RESULT IN RESPIRATORY ARREST, UNCON OR
COMA. THE FDA HAS REVOKED THE GRAS STATUS OF THIS PROD FOR USE IN
MEATS, FOODS RECOGNIZED AS A SOURCE OF VITAMIN B1, FRUITS &
VEGETABLES.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND FOR THIS
MIXTURE.

First Aid:EYES:IMMED WASH W/RUNNING WATER FOR AT LEAST 15 MINS. IF
IRRIT DEVELOPS, CONSULT MD. SKIN:WASH AFFECTED AREAS W/SOAP &
WATER. REMOVE/LAUNDER CONTAMD CLTHG BEFORE REUSE. IF IRRIT
DEVELOPS, CONSULT MD. INGEST:IF SWALLOWED, DILUTE W/WATER & IMMED
INDUCE VOM. NEVER GIVE FLUIDS OR INDUCE VOM IF VICTIM IS UNCON OR
HAVING CONVL. GET MD IMMED. INHAL:MOVE TO FRESH. AID IN BRTHG, IF
NEC & GET MD IMMED.

Flash Point:NON-COMBUSTIBLE
Extinguishing Media:USE WATER FOG, FOAM, CO2 OR DRY CHEMICAL
EXTINGUISHING MEDIA.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:HEAT CAUSES RELEASE OF SO2 GAS.

Spill Release Procedures:SPILLS SHOULD BE CONTAINED & PLACED IN
SUITABLE CONTAINER FOR DISPOSAL. THIS MATERIAL IS NOT REGULATED
UNDER RCRA OR CERCLA ("SUPERFUND").
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:THIS PRODUCT IS SOLD SOLELY FOR USE BY
INDUSTRIAL INSTITUTIONS. AVOID CONTACT W/EYES, SKIN & CLOTHING.
AVOID BREATHING DUSTS.
Other Precautions:ALL LABELLED PRECAUTIONS MUST BE OBSERVED WHEN
HANDLING, STORING & TRANSPORTING EMPTY CONTAINERS DUE TO PRODUCT
RESIDUES. DO NOT REUSE THIS CONTAINER UNLESS IT IS PROFESSIONALLY
CLEANED & RECONDITIONE D.

Respiratory Protection:NIOSH/MSHA APPROVED DUST RESPIRATOR. IF SO2 IS
GENERATED, WEAR A NIOSH/MSHA APPROVED ACID GAS RESPIRATOR.
Ventilation:USE LOCAL EXHAUST TO CONTROL DUST & GASES.
Protective Gloves:IMPERMEABLE GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:COVERALLS, APRON & BOOTS AS NECESSARY TO
PREVENT SKIN CONTACT.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH:4.5 (1% AQUEOUS SOLUTION).

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:302F,150C
Spec Gravity:1.48
pH:SUPDAT
Solubility in Water:VERY SOLUBLE
Appearance and Odor:WHITE CRYSTALS; SULFUR DIOXIDE ODOR.

Stability Indicator/Materials to Avoid:YES
ACIDS, OXIDIZING REAGENTS & METALS.
Stability Condition to Avoid:SOLUTIONS ARE OXIDIZED BY AIR. HEAT &
ACIDS WILL CAUSE RELEASE OF SO2. PROTECT FROM MOISTURE.
Hazardous Decomposition Products:SO2 LIBERATED.

Waste Disposal Methods:INCINERATE OR BURY IN A LICENSED FACILITY. DO
NOT DISCHARGE INTO WATERWAYS OR SEWER SYSTEMS W/OUT PROPER
AUTHORITY. DISPOSE CONTAINER IN LICENSED FACILITY. RECOMMENDED
CRUSHING/OTHER MEANS TO PREVENT UNAUTHORIZED REUSE.

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.