Product ID:SODIUM HYDROSULFITE
MSDS Date:08/30/1985
FSC:6810
NIIN:00N092238
Status Code:A
MSDS Number: CJQTZ

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: MALIN

Telephone: 314-982-5000

Cage: MALIN

SODIUM HYDROSULFITE

CAS: 7775-14-6

RTECS: JP2100000

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:NO INFORMATION FOUND.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION: INHALATION OF DUST
MAY CAUSE MODERATE TO SEVERE IRRITATION TO NOSE, THROAT, AND UPPER
RESPIRATORY TRACT. SYMPTOMS MAY INCLUDE SORE THROAT, COUGHING, AND
SHORTNESS OF BREATH. INGESTI ON: MAY CAUSE ABDOMINAL PAIN, NAUSEA,
VOMITING, COLIC AND DIARRHEA, CIRCULATORY DISTURBANCES, CENTRAL
NERVOUS SYSTEM DEPRESSION, IRRITABILITY, RESTLESSNESS, CONVULSIONS,
CYANOSIS, RESPIRATORY AND CARD IOVASCULAR COLLAPSE, AND DEATH.
ESTIMATED LETHAL DOSE 30 GRAMS. SKIN: PROLONGED CONTACT MAY CAUSE
MILD IRRITATION AND REDNESS. EYES: MAY CAUSE IRRITATION, REDNESS,
AND PAIN. CHRONIC: EXPOSURE MAY INDU CE ALLERGIC REACTION.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE
ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
CALL A PHYSICIAN. INGESTION: IF SWALLOWED, INDUCE VOMITING
IMMEDIATELY BY GIVING TWO GLASSES OF WATER AND STICKING FINGER
DOWN THROAT. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.
CALL PHYSICIAN IMMEDIATELY. SKIN: REMOVE ANY CONTAMINATED CLOTHING.
WASH SKIN WITH SOAP OR MILD DETERGENT AND WATER FOR AT LEAST 15
MINUTES. GET MEDICAL ATTENTION IMMEDIATELY. EYES: WASH WITH PLENTY
OF WATER FOR AT LEAST 15 MINUTES, LIFTING LOWER AND UPPER EYELIDS
OCCASIONALLY. GET MEDICAL ATTENTION IMMEDIATELY.

Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL OR SAND.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:FLAMMABLE SOLID. HEATS SPONTANEOUSLY IN
CONTACT WITH MOISTURE AND AIR. MAY IGNITE IN THE PRESENCE OF
COMBUSTIBLE MATERIALS. NOT CONSIDERED TO BE AN EXPLOSION HAZARD.

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. CLEAN-UP
PERSONNEL REQUIRE PROTECTIVE CLOTHING AND NIOSH APPROVED
RESPIRATORY PROTECTION FROM DUST. SPILLS: PICK UP AND PLACE IN A
SUITABLE CONTAINER FOR RECLAMATION O R DISPOSAL IN A METHOD THAT
DOES NOT GENERATE DUST.

Handling and Storage Precautions:KEEP IN TIGLTY CLOSED CONTAINER.
PROTECT FROM PHYSICAL DAMAGE. STORE IN COOL, DRY, VENTILATED AREA
AWAY FROM SOURCES OF HEAT, MOISTURE & INCOMPATIBILITIES. KEEP AWAY
FROM HEAT, SPARKS & FLAME. KEEP FR OM CONTACT WITH CLOTHING & OTHER
COMBUSTIBLE MATERIALS. AVOID CONTACT WITH EYES, SKIN & CLOTHING.
Other Precautions:WARNING: FLAMMABLE! MAY IGINITE WITH MOISTURE AND
AIR. HARMFUL IF SWALLOWED. CAUSES IRRITATION.

Respiratory Protection:FOR CONDITIONS OF USE WHERE EXPOSURE TO THE
DUSTS IS APPARENT, A NIOSH APPROVED, DUST/MIST RESPIRATOR MAY BE
WORN. FOR EMERGENCIES, A NIOSH APPROVED, SELF-CONTAINED BREATHING
APPARATUS MAY BE NECESSAR Y.
Ventilation:A LOCAL EXHAUST SYSTEM WHICH CAPTURES THE CONTAMINANT AT
ITS SOURCE IS RECOMMENDED TO PREVENT DISPERSION OF THE CONTAMINANT
INTO THE WORKROOM AIR.
Protective Gloves:WEAR PROTECTIVE CLOTHING. WEAR IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EMERGENCY EYEWASH AND DELUGE
SHOWER . WEAR CLEAN BODY-COVERING CLOTHING.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN WHEN WORKING
WITH THIS MATERIAL. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MOLECULAR WEIGHT: 174.10. CHEMICAL FORMULA: NA*2S*2O*4. NO HAZARDOUS
INGREDIENTS. NFPA RATINGS: HEALTH=3; FLAMMABILITY=1; REACTIVITY=2.

Melt/Freeze Pt:=130.C, 266.F
M.P/F.P Text:DECOMPOSES
Spec Gravity:2.19
Appearance and Odor:WHITE TO GRAYISH-WHITE GRANULAR POWDER; DISTINCT
SULFUR DIOXIDE ODOR.

Stability Indicator/Materials to Avoid:YES
WATER, COMBUSTIBLE MATERIALS AND SODIUM CHLORIDE.
Stability Condition to Avoid:STABLE WHEN STORED IN CLOSED CONTAINERS AT
ROOM TEMPERATURE. HEATS SPONTANEOUSLY IN CONTACT WITH MOISTURE AND
AIR.
Hazardous Decomposition Products:EMITS TOXIC SULFUR OXIDES AND SODIUM
OXIDE WHEN HEATED TO DECOMPOSITION.

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
DISPOSED IN A RCRA APPROVED HAZARDOUS WASTE FACILITY. DO NOT
CONTACT WITH WATER. CLEAN-UP PERSONNEL WEAR NIOSH APPROVED
RESPIRATORY PROTECTION FOR SULFU R OXIDES. ENSURE COMPLIANCE WITH
LOCAL, STATE AND FEDERAL REGULATIONS.

Toxicological Information:TOXICITY DATA (RTECS, 1982): NO LD50/LC50
INFORMATION FOUND RELATING TO NORMAL ROUTES OF OCCUPATIONAL
EXPOSURE.

Transport Information:DOT HAZARD CLASS: FLAMMABLE SOLID.

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.