Product ID:SODIUM METABISULFITE
MSDS Date:05/01/1992
FSC:6810
NIIN:01-359-4918
MSDS Number: BZLNX

Emergency Phone: 800-831-8050

Info Phone: 201-515-1840

Preparer: MANAGER, PRODUCT SAFETY

Cage: GENCH

Telephone: 714-881-3100

Cage: 0N140

SODIUM METABISULFITE

CAS: 7681-57-4

RTECS: UX8225000

Fraction By Weight: 100%

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3; 9596

LD50 LC50 Mixture:TLV=5 MG/M3
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION OF THE
DECOOMPOSITION PRODUCT, SULFUR DIOXIDE, MAY BE HARMFUL OR DEADLY;
DUST MAY CAUSE ASTHMATIC REACTION IN SOME. CONTACT WITH EYES MAY
CAUSE IRRITATION OR BURNS; PROLONGED CONTACT WITH SKIN MAY CAUSE
IRRITATION. INGESTION MAY CAUSE GI TRACT IRRITATION. CHRONIC: NONE
SPECIFIED BY MANUFACTURER.
Explanation of Carcinogenicity:NO INGREDIENT OF A CONCENTRATION OF 0.1%
OR GREATER IS LISTED AS A CARCINOGEN OR SUSPECTED CARCINOGEN.
Effects of Overexposure:INGESTED-VIOLENT COLIC, DIARRHEA, DEPRESSION,
GI TRACT IRRITATION. INHALED-SWEATING, FLUSHING, HIVES, RAPID HEART
RATE, DECREASED BLOOD PRESSURE, ANALPHYLAXIA. SKIN-IRRITATION.
EYES-IRRITATION, BURNS.
Medical Cond Aggravated by Exposure:MAY CAUSE SEVERE OR DEADLY
REACTIONS IF INHALED OR IN SOME ASTHMATICS &/OR SULFITE SENSITIVE
INDIVIDUALS.

First Aid:IN ALL CASES GET MEDICAL ATTENTION. EYES-FLUSH WITH WATER FOR
15 MINUTES. SKIN-REMOVE CONTAMINATED CLOTHES. WASH WITH MILD SOAP &
WATER. INHALED-REMOVE TO FRESH AIR. ADMINISTER OXYGEN OR ARTIFICIAL
RE SPIRATION AS NEEDED. INGESTED-IF CONSCIOUS, GIVE LOTS OF MILK OR
WATER AND THEN INDUCE VOMITING. GET IMMEDIATE MEDICAL ATTENTION.

Flash Point:NON FLAMMABLE
Extinguishing Media:NOT APPLICABLE. DLA-HMIS: USE MEDIA APPROPRIATE FOR
SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:PRODUCES SULFUR DIOXIDE GAS UPON
DECOMPOSITION.

Spill Release Procedures:PROMPTLY SWEEP UP, MINIMIZING DUSTING AND
SHOVEL INTO A SUITABLE CONTAINER & CLOSE. SPRAY RESIDUE WITH
WATER-CAREFULLY! PROVIDE VENMTILATION TO CLEAR SULFUR DIOXIDE
VAPORS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE AWAY FROM
WATER, ICE, ACIDS & OXIDIZERS. USE OF THIS PRODUCT IN CONFINED
SPACES MAY CAUSE SUFFOCATION LEADING TO DEATH.
Other Precautions:RELEASES SULFUR DIOXIDE SLOWLY AT AMBIENT
TEMPERATURES. THIS PRODUCT IS NOT FOR FOOD OR DRUG USE UNLESS
MATERIAL IS LABELED "FOOD GRADE" OR "NF GRADE", AS APPLICABLE.

Respiratory Protection:IF ENGINEERING CONTROLS FAIL OR NON-ROUTINE USE
OR AN EMERGENCY OCCURS; WEAR AN MSHA/NIOSH APPROVED RESPIRATOR WITH
DUST/SULFUR DIOXIDE CARTRIDGE OR AN AIR-SUPPLIED RESPIRATOR OR
SCBA, AS REQUIRED. US E IAW 29 CFR 1910.134.
Ventilation:DO NOT USE IN UNVENTILATED AREAS.USE ADEQUATE MECHANICAL
VENTILATION OR LOCAL EXHAUST TO MAINTAIN EXPOSURE BELOW TLV(S).
Protective Gloves:IMPERVIOUS-PVC, NEOPRENE.
Eye Protection:SAFETY GLASSES/CHEMICAL SPLASH GOGGLES.
Other Protective Equipment:EYE WASH STATION & SAFETY SHOWER.
Work Hygienic Practices:WASH HANDS AFTER HANDLING AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHES BEFORE REUSE.
Supplemental Safety and Health
MSDS PRESENTED BY CAGE 0N140 FOR CONTRACT NUMBER SP0450-96-ML377.

HCC:B3
Boiling Pt:B.P. Text:302F,150C
Melt/Freeze Pt:M.P/F.P Text:302F,150C
Decomp Temp:Decomp Text:302F,150C
Spec Gravity:1.48
Solubility in Water:APPRECIABLE
Appearance and Odor:FINE, WHITE GRANULAR SOLID; PUNGENT SULFUR DIOXIDE
ODOR.

Stability Indicator/Materials to Avoid:YES
ACID, WATER & ICE YIELD SULFUR DIOXIDE. STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:AVOID ELEVATED TEMPERATURES-TEMPERATURES
ABOVE 150C CAUSES RAPID EVOLUTION OF TOXIC & CORROSIVE SULFUR
DIOXIDE.
Hazardous Decomposition Products:SULFUR DIOXIDE GAS.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:IF ALLOWED, WASTE MAY BE DISPOSED OF BY BURIAL
IN AN APPROVED CHEMICAL WASTE LANDFILL OR REMOVED BY LICENSED WASTE
DISPOSAL CONTRACTOR. DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL ENVIRONME NTAL 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.