Product ID:SODIUM METABISULFITE
MSDS Date:11/02/1989
FSC:6810
NIIN:00-299-8509
MSDS Number: BMSWY

Emergency Phone: 215-343-6484

Info Phone: 215-343-6484

Preparer: SSH

Cage: 9C365

Telephone: 215-313-6484

Cage: 9C365

SODIUM METABISULFITE *

CAS: 7681-57-4

RTECS: UX8225000

Fraction By Weight: 100%

OSHA PEL 5 MG/M3 *

ACGIH TLV: 5 MG/M3; 9192 *

LD50 LC50 Mixture:PARENTERAL MOUSE LD50 IS 910 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: DUST IRRITATING TO NOSE &
THROAT. INHALING MAY CAUSE ADVERSE REACTIONS INCLUDING
BRONCHOSPASMS. CHRONIC: REPEATED OR PROLONGED EXPOSURE MAY CAUSE
MUCOUS MEMBRANE IRRITATION. ADVERSE REACTIONS M AY OCCUR IN
SUSCEPTIBLE INDIVIDUALS.
Explanation of Carcinogenicity:NONE OF THE CHEMICALS IN THIS PRODUCT IS
LISTED BY IARC, NTP OR OSHA AS A CARCINOGEN.
Effects of Overexposure:EYE-IRRITATION, POSSIBLE CONJUNCTIVITIS.
SKIN-IRRITANT, POSSIBLE DERMATITIS. INGEST-POSSIBLE NAUSEA & OTHER
GASTROINTESTINAL DISTURB. INHALE-MAY CAUSE COUGHING OR DYSPNEA.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF SKIN AND
RESPIRATORY DISORDERS MAY BE AT INCREASED RISK FROM EXPOSURE. SOME
PERSONS ARE ALLERGIC, ESPECIALLY ASTHMATICS, EVEN TO FOOD
CONTAINING THIS AS A PERSERVATIVE.

First Aid:EYE-FLUSH WITH ALRGE AMOUNTS OF WATER. SKIN-REMOVE
CONTAMINATED CLOTHES/SHOES; WASH WITH SOAP & WATER FOR 15-20 MIN.
INGEST-DO NOT USE GASTRIC LAVAGE OR EMESIS. DILUTE THE ACID BY
DRINKING LARGE AMOUN TS OF WATER OR MILK. IF VOMITING PERSISTS,
GIVE FLUIDS REPEATEDLY. INGESTED ACID MUST BE DILUTED 100 TIMES TO
RENDER IT HARMLESS TO TISSUES. IN ALL CASES CONTACT A PHYSICIAN.

Flash Point:NONE
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
CHEMICAL.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:FIRE OR EXCESSIVE HEAT MAY CAUSE
PRODUCTION OF HAZARDOUS DECOMPOSITION PRODUCTS.

Spill Release Procedures:DO NOT TOUCH SPILL. STOP LEAK IF POSSIBLE.
SMALL SPILL-TAKE UP WITH SAND OR OTHER ABSORBENT MATERIAL; WITH
CLEAN SHOVEL PLACE INTO CLEAN, DRY CONTAINER FOR DISPOSAL; COVER &
MOVE FROM SPILL AREA.

Handling and Storage Precautions:STORE IN COOL, DRY, WELL VENTILATED
AREA. PROTECT FROM PHYSICAL DAMAGE. KEEP CONTAINERS CLOSED.
Other Precautions:NONE

Respiratory Protection:DEPENDS ON CONTAMINATION LEVELS. BEST PROCEDURE
IS TO USE SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE
OPERATED IN POSITIVE PRESSURE MODE.
Ventilation:LOCAL EXHAUST &/OR GENERAL DILUTION VENTILATION.
Protective Gloves:USE IMPERVIOUS GLOVES.
Eye Protection:SPLASH PROOF OR DUST RESIST GOGGLES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH THOROUGHLY BEFORE EATING, SMOKING, AND
USING SANITARY FACILITIES AFTER HANDLING THIS MATERIAL.
Supplemental Safety and Health
NONE

HCC:T1
Melt/Freeze Pt:M.P/F.P Text:>302F,>150C
Spec Gravity:1.480
pH:<6
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE TO YELLOWISH CRYSTALS OR POWDER.

Stability Indicator/Materials to Avoid:YES
SODIUM NITRITE: VIGOROUS EXTHERMIC REACTION. ACIDS: MAY CAUSE
DECOMPSITION WITH FORMATION OF HYDROGEN SULFIDE.
Stability Condition to Avoid:HIGH TEMPERATURES AND PRESSURES.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY RELEASE
TOXIC OXIDES OF SULFUR AND SODIUM.

Waste Disposal Methods:FOLLOW ALL LOCAL, STATE, AND FEDERAL REGULATIONS
FOR PROPER DISPOSAL OF THIS CHEMICAL.

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.