Product ID:SODIUM HYDROSULFITE
MSDS Date:08/30/1985
FSC:6550
NIIN:01-096-5307
Status Code:A
MSDS Number: CKNXY

Emergency Phone: 314-982-5000

Cage: 62910

Telephone: 908-859-2151

Cage: 62910

SODIUM HYDROSULFITE (NA*2S*2O*4)

CAS: 7775-14-6

RTECS: JP2100000

Fraction By Weight: 100%

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Health Hazards Acute and Chronic:ACUTE:INHALATION OF DUST MAY CAUSE
MODERATE TO SEVERE IRRITATION TO NOSE,THROAT AND UPPER RESPIRATORY
TRACT. INGESTION MAY CAUSE ABDOMINAL PAIN, NAUSEA, VOMITING, COLIC
AND DIARRHEA, CIRCULATORY DISTU RBANCE, CONVULSIONS, CYANOSIS,
RESPIRATORY AND CARDIOVASCULAR COLLAPSE, AND DEATH. SKIN:
PROLONGED CONTACT MAY CAUSE MILD IRRITATION AND REDNESS. EYES: MAY
CAUSE IRRITATION, REDNESS AND PAIN. CHRONIC :EXPOSURE MAY INDUCE
ALLERGIC REACTION.
Effects of Overexposure:INHALATION OF DUST MAY CAUSE MODERATE TO SEVERE
IRRITATION TO NOSE,THROAT AND UPPER RESPIRATORY TRACT. INGESTION
MAY CAUSE ABDOMINAL PAIN, NAUSEA, VOMITING, COLIC AND DIARRHEA,
CIRCULATORY DISTURBANCE , CONVULSIONS, CYANOSIS, RESPIRATORY AND
CARDIOVASCULAR COLLAPSE, AND DEATH. SKIN: PROLONGED CONTACT MAY
CAUSE MILD IRRITATION AND REDNESS. EYES: MAY CAUSE IRRITATION,
REDNESS AND PAIN. CHRONIC:EXPOS URE MAY INDUCE ALLERGIC REACTION.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND.

First Aid:IF SWALLOWED, INDUCE VOMITING BY GIVING TWO GLASSES OF WATER
AND STICKING FINGER DOWN THROAT. NEVER GIVE ANYTHING TO AN
UNCONSCIOUS PERSON. IN CASE OF CONTACT, IMMEDIATELY FLUSH SKIN OR
EYES WITH PLEN TY OF WATER FOR AT LEAST 15 MINUTES. IN ALL CASES
CALL A PHYSICIAN.

Extinguishing Media:CO*2,DRY CHEMICAL OR SAND
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS,WITH FULL FACE
PIECE OPERATED IN THE PRESSURE DEMAND OR OTHER POSITIVE PRESSURE
MODE.
Unusual Fire/Explosion Hazard:FLAMMALE SOLID. NOT CONSIDERED TO BE AN
EXPLOSION HAZARD.

Spill Release Procedures:VENTILATE AREA OF SPILL. CLEAN-UP
PERSONNEL.REQUIRE PROTECTIVE CLOTHING AND RESPIRATORY PROTECTION.
PICK UP AND PLACE IN A SUITABLE CONTAINER FOR RECLAMATION OR
DISPOSAL IN A METHOD THAT DOES NOT GENE RATE DUST.

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED CONTAINER.
PROTECT FROM PHYSICAL DAMAGE. STORE IN A COOL, DRY, WELL VENTILATED
AREA AWAY FROM HEAT, MOISTURE.
Other Precautions:DO NOT CONTACT WITH WATER. CLEAN-UP PERSONNEL WEAR
RESPIRATORY PROTECTION FOR SULFUR OXIDES.

Respiratory Protection:NIOSH-APPROVED. FOR CONDITIONS OF USE WHERE
EXPOSURE TO THE DUST IS APPARENT, A DUST/MIST RESPIRATOR MAY BE
WORN. FOR EMERGENCIES, A SELF-CONTAINED BREATHING APPARATUS MAY BE
NECESSARY.
Ventilation:LOCAL EXHAUST SYSTEM WHICH CAPTURES THE CONTAMINANT AT ITS
SOURCE IS RECOMMENDED TO PREVENT DISPERSION OF THE CONTAMINANT INTO
WORKPLACE.
Protective Gloves:WEAR PROTECTIVE GLOVES
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:MAINTAIN EYE WASH FOUNTAIN AND QUICK DRENCH
FACILITITES IN WORK AREA.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN WHEN WORKING
WITH THIS MATERIAL.
Supplemental Safety and Health
THIS ITEM IS PART 3 OFA KIT (P/N: K110A) MSDS #

HCC:F8
Melt/Freeze Pt:=130.C, 266.F
M.P/F.P Text:DECOMPOSES
Decomp Temp:=130.C, 266.F
Spec Gravity:2.19
Solubility in Water:20C (65F)
Appearance and Odor:WHITE TO GRAYISH-WHITE GRANULAR POWDER, DISTINCT
SULFUR DIOXIDE ODOR
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:NO
MOISTURE, COMBUSTIBLE MATERIALS.
Stability Condition to Avoid:STABLE ONLY WHEN STORED IN CLOSED
CONTAINERS AT ROOM TEMPERATURE. HEATS SPONTANEOUSLY IN CONTACT WITH
MOISTURE AND AIR.
Hazardous Decomposition Products:SULFUR OXIDES AND SODIUM OXIDES

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
DISPOSED IN AN RCRA-APPROVED HAZARDOUS WASTE FACILITY. ENSURE
COMPLIANCE WITH LOCAL, STATE, AND FEDERAL 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.

Toxicological Information:NO INFORMATION FOUND ON LD50/LC50.