Product ID:S-430, SODIUM SULFITE
MSDS Date:12/30/1991
FSC:6810
NIIN:00-221-4722
MSDS Number: BNVXN

FISHER SCIENTIFIC

1 REAGENT LANE
FAIR LAWN, NJ 07410
US

Emergency Phone: 201-796-7100;800-424-9300(CHEMTREC)

Info Phone: 201-796-7100

Cage: 1B464

FISHER SCIENTIFIC CO. CHEMICAL MFG DIV

FAIRLAWN, NJ 07410-2802 US

Telephone: 201-796-7100

Cage: 1B464

SODIUM SULFITE

CAS: 7757-83-7

RTECS: WE2150000

Fraction By Weight: 100%

LGE DOSES HAVE CAUSED VIOLENT COLIC & DIARR,

RTECS: 9999999ZZ

RPTD/PRLNGD EXPOS MAY CAUSE SENSIT. RATS EXPOSED TO

RTECS: 9999999ZZ

RPTD/PRLNGD EXPOS MAY CAUSE CONT

RTECS: 9999999ZZ

RPTD INGESTION OF FOOD

RTECS: 9999999ZZ

LIDS, UNTIL NO EVID OF CHEM REMAINS. GET MD

RTECS: 9999999ZZ

GET MD IMMED. IF VOMITING OCCURS, KEEP HEAD LOWER

RTECS: 9999999ZZ

SYMPTOMATICALLY & SUPPORTIVELY.

RTECS: 9999999ZZ

DEMAND OR OTHER POS PRESS MODE OR W/FULL

RTECS: 9999999ZZ

ANY SCBA W/FULL FACEPIECE OPERATED IN PRESSURE-DEMAND

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHAL:MAY CAUSE MUC MEMB IRRIT.
INHAL OF MATL MAY CAUSE ADVERSE RXNS INCL BRONCHOSPASMS IN
SUSCEPTIBLE INDIV, ESP ASTHMATICS. SYMPS MAY INCL FLUSHING, SEV
WHEEZING, SWELLING OF THROAT & PALATAL /GENERALIED ITCHING.
SKIN:DIRECT CONT MAY CAUSE IRRIT & CONT DERM. MAY CAUSE
ITCHING/BURNING. SOME (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:SULFITES MAY CAUSE SENSIT DERM IN
PREVIOUSLY EXPOSED INDIV. EYE:DIRECT CONT MAY CAUSE IRRIT, REDNESS,
ITCHING & BURNING. INGEST:MAY CAUSE GI IRRIT W/ABDOM PAIN, NAUS,
VOM & DIARR. IN SUSCEPTI BLE INDIV, PARTICULARLY ASTHMATICS,
SULFITES MAY CAUSE WHEEZING, SHORTNESS OF BREATH, UNCON &
ANAPHYLAXIS. (SUPP DATA)
Medical Cond Aggravated by Exposure:PERSONS W/ASTHMA AT INCREASED RISK
FROM EXPOSURE.

First Aid:INHAL:REMOVE TO FRESH AIR IMMED. IF BRTHG STOPS, PERFORM ARTF
RESP. KEEP PERS WARM/AT REST. TREAT SYMPTOMATICALLY/SUPPORTIVELY.
GET MD IMMED. SKIN:REMOVE CONTAMD CLTHG/SHOES IMMED. WASH W/SOAP OR
MILD DETERGENT & LGE AMTS OF WATER UNTIL NOEVID OF CHEM REAMINS
(15-20 MINS). GET MD IMMED. EYE:WASH IMMED W/LGE AMTS OF WATER OR
NORM SALINE FOR AT LEAST 15 MINS, OCCASNLY LIFTING UPPER/LOWER (ING
6)

Extinguishing Media:USE DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY OR
REGULAR FOAM. FOR LARGER FIRES, USE WATER SPRAY, FOG OR REGULAR
FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP
. MOVE CONTR FROM FIRE AREA IF YOU CAN W/OUT RISK. DO NOT SCATTER
SPILLED MATL W/HIGH-PRESS WATER (SUP DAT)
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPOSED TO
HEAT OR FLAME.

Spill Release Procedures:OCCUPATIONAL SPILL: SWEEP UP & PLACE IN
SUITABLE, CLEAN, DRY CONTAINER FOR RECLAMATION OR LATER DISPOSAL.
DO NOT FLUSH SPILLED MATERIAL INTO SEWER. KEEP UNNECESSARY PEOPLE
AWAY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A WELL-VENTILATED AREA. STORE
IN A TIGHTLY CLOSED CONTAINER. DO NOT STORE BELOW 55F. STORE AWAY
FROM INCOMPATIBLE SUBSTANCES.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:SPECIFIC RESP SELECTED MUST BE BASED ON CONTAM
LEVELS FOUND IN WORK PLACE, SPECIFIC OPERATION, MUST NOT EXCEED
WORKING LIMITS OF RESP & BE APPRVD BY NIOSH/MSHA. ANY TYPE "C"
SUPPLIED-AIR RESP W/FULL F ACEPIECE OPERATED IN PRESS- (ING 9)
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION SYSTEM.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:APPROP PROT (IMPERVIOUS) CLTHG & EQUIP TO
PVNT RPTD/PRLNGD SKIN CONT. EYE WASH W/IN IMMED WORK AREA FOR EMER
USE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
MP:DECOMPOSES @ RED HEAT. FIRE FIGHT PROC:STREAMS. DIKE FIRE-CONTROL
WATER FOR LATER DISP. USE AGENTS SUITABLE FOR TYPE OF SURROUNDING
FIRE. AVOID BRTHG HAZ VAPS. KEEP UPWIND. EFTS OF OVEREXP:SIGNS/SY
MPS MAY INCL GENERALIZED FLUSHING/ITCHING & RESP ARREST. ESTIMATED
HUMAN LETHAL DOSE IS 10 GRAMS. IN ANIMALS, (ING 2)

Boiling Pt:B.P. Text:>212F,>100C
Melt/Freeze Pt:M.P/F.P Text:SUPP DATA
Spec Gravity:2.633 @ 15C
pH:9
Solubility in Water:12.5% @ 0C
Appearance and Odor:WHITE TO TAN CRYSTALS OR POWDER W/A SALINE,
SULFUROUS TASTE; ODORLESS.

Stability Indicator/Materials to Avoid:YES
STRONG MINERAL ACIDS: REACTS TO FORM SULFUR DIOXIDE. OXIDIZING
MATERIAL: INCOMPATIBLE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:THERMAL DECOMPOSITION PRODUCTS MAY
INCLUDE TOXIC & HAZARDOUS OXIDES OF SULFUR & SODIUM OXIDE.

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE & LOCAL REGULATIONS
WHEN STORING OR DISPOSING OF THIS SUBSTANCE. FOR ASSISTANCE,
CONTACT THE DISTRICT DIRECTOR OF THE ENVIRONMENTAL PROTECTION
AGENCY.

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.