Product ID:SODIUM HYDROSULFITE
MSDS Date:03/13/1986
FSC:6810
NIIN:00-281-8799
MSDS Number: BHFYH

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: 62910

Telephone: 908-859-2151

Cage: 62910

SODIUM HYDROSULFITE

CAS: 7775-14-6

RTECS: JP2100000

Fraction By Weight: 100%

OSHA PEL 2 PPM (SO2)

ACGIH TLV: 2 PPM (SO2)

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:IRRITATING TO SKIN, EYES AND
RESPIRATORY TRACT. MAY CAUSE PERMANENT DAMAGE TO EYES.
Explanation of Carcinogenicity:NONE OF THE COMPOUNDS ABOVE 0.1% IN THIS
PRODUCT IS LISTED BY IARC, NTP, OR OSHA AS A CARCINOGEN.
Effects of Overexposure:IRRITATING TO EYES, SKIN AND RESPIRATORY TRACT.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF AILMENTS
OR WITH PRE-EXISTING DISEASE INVOLVING THE EYES, SKIN, CENTRAL
NERVOUS SYSTEM, RESPIRATORY TRACT, LIVER AND KIDNEYS ARE NOT AT
INCREASED RISK FROM EXPOSURE.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE CPR.
CALL A PHYSICIAN. EYE: IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER
FOR 15 MINUTES. CALL A PHYSICIAN. SKIN: WASH WITH PLENTY OF SOAP &
WATER. REMOVE CONTAMINATED CLOTHING/SHOES. INGESTION: DO NOT
INDUCE VOMITING. IF CONSCIOUS, GIVE 2 GLASSES OF WATER TO DRINK.
GIVE NOTHING BY MOUTH IF UNCONSCIOUS. CALL A PHYSICIAN.

Extinguishing Media:USE WATER SPRAY, DRY CHEMICAL, FOAM. OR CARBON
DIOXIDE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS. USE
WATER SPRAY TO COOL FIRE EXPOSED CONTAINERS AND TO DISPERSE THE
VAPORS.
Unusual Fire/Explosion Hazard:SMALL AMOUNTS OF WATER OF CONTACT WITH A
HIGHLY HUMID ATMOSPHERE MAY CAUSE A FIRE OR IGNITE NEARBY
CONBUSTIBLE MATERIALS.

Spill Release Procedures:SWEEP UP SPILL PROMPTLY AND TRANSFER TO
CONTAINERS FOR RECOVERY AND/OR DISPOSAL. WASH RESIDUE TO SEWER WITH
LARGE AMOUNTS OF WATER.DO NOT DISCARD SWEEPING IN RUBBISH OR TRASH
DISPOSAL WHITS-CAN CAUSE FIRE.
Neutralizing Agent:NOT SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY,WELL VENTILATED
AREA AWAY FROM SPARKS AND FLAME, KEEP CONTAINER TIGHTLY CLOSED WHEN
NOT IN USE. PROTECT FROM PHYSICAL DAMAGE.
Other Precautions:PROTECT UNITS FROM MOIST AIR AND HEAT TO PREVENT
FIRES.

Respiratory Protection:IF VENTILATION DOES NOT MAINTAIN INHALATION
EXPOSURES BELOW PEL(TLV), USE NIOSH/MSHA APPROVED RESPIRATORS AS
CURRENT 29 CFR 1910.134, INSTRUCTION DECISION LOGIC-PUB.#87.108.
Ventilation:PROVIDE SUFFICIENT GENERAL/LOCAL EXHAUST VENTILATION IN
PATTERN/VOLUME TO CONTROL INHALATION EXPOSURES BELOW OSHA'S PEL.
Protective Gloves:HEAVY DUTY NEOPRENE RUBBER AS REQUIRED.
Eye Protection:SAFETY GLASSES/GOGGLES AND/OR FACESHIELD
Other Protective Equipment:EYE WASH STATION & SAFETY SHOWER.
INDUSTRIAL-TYPE WORK CLOTHING, COVERALL, APRONS, BOOTS & PROTECTIVE
GARMENTS AS REQD.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES, DO NOT WEAR CONTAMINATED CLOTHING OR
FOOTWEAR.
Supplemental Safety and Health
DO NOT GET ON SKIN, IN EYES OR ON CLOTHING. DO NOT BREATHE VAPORS OR
MISTS.

HCC:F8
Melt/Freeze Pt:M.P/F.P Text:55F-DECOMP.
Decomp Temp:Decomp Text:55F
Evaporation Rate & Reference:N/R(BUTYL ACETATE=1)
Solubility in Water:APPRECIABLE(REACTS)
Appearance and Odor:WHITE TO LEMON COLORED CRYSTALS, SULFUR DIOXIDE
ODOR.
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS AND ACIDS
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS OR OPEN FLAME,
HUMIDITY
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
SULFUR DIOXIDE.

Waste Disposal Methods:SLOWLY DISSOLVE IN A LARGE VOLUME OF WATER
(100:1) AND NEUTRALIZE BEFORE DISCHARGING TO SEWER IN ACCORDANCE
WITH LOCAL, STATE & FEDERAL SEWER REGULATION.

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.