Product ID:SODIUM BISULFITE, ANHYDROUS
MSDS Date:02/01/1988
FSC:6810
NIIN:00-097-8145
MSDS Number: BRLWT

Emergency Phone: 804-393-3247;800-424-9300(CHEMTREC)

Info Phone: 804-393-3247;804-393-3100

Cage: 87698

Telephone: 804-893-3247

Cage: 87698

PYROSULFUROUS ACID, DISODIUM SALT; (SODIUM METABISULFITE)

CAS: 7681-57-4

RTECS: UX8225000

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:NO Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INGESTION: MODERATELY TOXIC.
SKIN: MAY CAUSE SEVERE SKIN INJURY. INHALATION: NO SPECIFIC
INFORMATION. EYE: MAY CAUSE SEVERE EYE INJURY. CONTACT WITH STRONG
ACIDS WILL GENERATE SULFUR DIOXIDE IN QUANTITIES WHICH, WITHOUT
ADEQUATE VENTILATION, MAY BE HAZARDOUS. CHRONIC: NO SPECIFIC
INFORMATION.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:SENSITIVE PERSONS MAY EXPERIENCE
RESPIRATORY ALLERGIC REACTIONS.

First Aid:REMOVE FROM EXPOSURE. INGESTION: SEEK MEDICAL ATTENTION.
SKIN: WASH EXPOSED AREA THOROUGHLY WITH WATER. WASH CONTAMINATED
CLOTHING BEFORE REUSE. INHALATION: IF BREATHING IS DIFFICULT,
ADMINISTER OXYGE N. IF BREATHING HAS STOPPED, ADMINISTERARTIFICIAL
RESUSCITATION. EYES: FLUSH THOROUGHLY WITH WATER FOR AT LEAST 15
MINUTES. IF IRRITATION PERSISTS, SEEK MEDICAL ATTENTION.

Flash Point:NOT FLAMMABLE
Extinguishing Media:USE ALCOHOL-TYPE FOAM, CARBON DIOXIDE, WATER FOG.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:CONTAIN ALL SPILLED MATERIAL. DO NOT FLUSH TO
SURFACE WATER. COLLECT DRY MATERIAL IN SUITABLE CONTAINERS. RQ IS
5000 POUNDS (2270 KG). UNCONTROLLED SPILLS EXCEEDING 5000 LBS
SHOULD BE REPORTED TO NATI ONAL RESPONSE CENTER (800-424-8802).
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN DRY AREA AWAY FROM ACIDS AND
OXIDIZING AGENTS.
Other Precautions:PERSONS SUFFERING FROM ASTHMA OR OTHER RESPIRATORY
PROBLEMS SHOULD AVOID ANY CONTACT OR EXPOSURE TO SODIUM BISULFITE.

Respiratory Protection:NIOSH/MSHA APPROVED DUST MASK OR ACID GAS
RESPIRATOR FITTED WITH DUST FILTERS.
Ventilation:EXHAUST FANS TO PROVIDE LOCALIZED VENTILATION.
Protective Gloves:CHEMICAL WORKERS RUBBER GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:SAFETY SHOWERS AND EYE WASH FOUNTAINS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

Melt/Freeze Pt:M.P/F.P Text:DECOMPOSES
Decomp Temp:Decomp Text:>302F,>150C
Spec Gravity:1.31
Solubility in Water:40% @ 15C
Appearance and Odor:FREE FLOWING WHITE CRYSTAL.
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS AND ACIDS.
Stability Condition to Avoid:SODIUM BISULFITE, ANHYDROUS DECOMPOSES AT
302F (150C) WITH LIBERATION OF SULFUR DIOXIDE.
Hazardous Decomposition Products:SULFUR DIOXIDE.

Waste Disposal Methods:IF COLLECTED MATERIAL CAN BE DISSOLVED IT MAY BE
DISCHARGED TO AN INDUSTRIAL WASTE WATER COLLECTION SYSTEM. CONSULT
LOCAL, STATE OR FEDERAL REGULATORY AGENCIES BEFORE DISPOSING OF ANY
MATERIAL.

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.