Product ID:SODIUM HYDROSULFITE, S1256
MSDS Date:06/27/1994
FSC:6810
NIIN:00N089691
Status Code:A
MSDS Number: CHWKT

Emergency Phone: 314-771-5765

Info Phone: 800-325-3010

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

SODIUM HYDROSULFITE

CAS: 7775-14-6

RTECS: JP2100000

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: MAY BE HARMFUL BY INHALATION,
INGESTION, OR SKIN ABSORPTION. CAUSES EYE AND SKIN IRRITATION.
MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY
TRACT. EXPOSURE CAN CAUSE NAUSEA, H EADACHE & VOMITING. TO THE BEST
OF MANUFACTURER'S KNOWLEDGE, THE CHEMICAL, PHYSICAL, &
TOXICOLOGICAL (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: PROPERTIES HAVE NOT BEEN THOROUGHLY
INVESTIGATED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES/SKIN: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER
FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND
SHOES. INHAL: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
RESPIRAT ION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. INGEST: WASH
OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS. CALL A
PHYSICIAN. WASH CONTAMINATED CLOTHING BEFORE REUSE.

Extinguishing Media:CARBON DIOXIDE. DRY CHEMICAL POWDER. DO NOT USE
WATER.
Fire Fighting Procedures:FLAMMABLE SOLID. USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:HEATS SPONTANEOUSLY ON CONTACT WITH AIR
AND MOISTURE. MAY IGNITE SURROUNDING COMBUSTIBLE MATERIALS. EMITS
TOXIC FUMES UNDER FIRE CONDITIONS. REDUCING AGENT.

Spill Release Procedures:EVACUATE AREA. SHUT OFF ALL SOURCES OF IGNIT.
WEAR NIOSH APPRVD SCBA, RUBB BOOTS & HEAVY RUBB GLOVES. COVER
W/DRY-LIME, SAND, OR SODA ASH. PLACE IN COVERED CNTNRS USING
NON-SPARKING TOOLS & TRANSPORT OUTDOORS. VENTILATE AREA & WASH
SPILL SITE(SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:DO NOT HEAT ABOVE 50C. DO NOT BREATHE
DUST. DO NOT GET IN EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR
REPEATED EXPOSURE. IRRITANT.
Other Precautions:FLAMMABLE. MAY CAUSE FIRE. CONT W/ACIDS LIBERATES
TOXIC GAS. IRRITATING TO EYES, RESP SYS & SKIN.

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
SPILL PROC: AFTER MATERIAL PICKUP IS COMPLETE. WASTE DISP METH: MAY
GENERATE HEAT & FUMES WHICH CAN BE CONTROLLED BY RATE OF ADDITION.
OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

Melt/Freeze Pt:M.P/F.P Text:>572F,>300C
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:NOT KNOWN
Appearance and Odor:WHITE POWDER.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS. STRONG ACIDS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:SULFUR OXIDES.

Waste Disposal Methods:FOR SM QTYS: CAUTIOUSLY ADD TO LG STIRRED EXCESS
OF WATER. ADJUST PH TO NEUTRAL, SEPARATE ANY INSOL SOLIDS/LIQUIDS &
PACKAGE THEM FOR HAZ-WASTE DISP. FLUSH AQUEOUS SOLN DOWN THE DRAIN
W/PLENTY OF WATE R. HYDROLYSIS & NEUTRALIZATION REACTIONS (SUPDAT)

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.