MALLINCKRODT,INC.,SCIENCE PRODUCT DIVISION -- SODIUM BISULFITE  -- 6810-00-208-6762
<pre>=====================  Product Identification  =====================

Product ID:SODIUM BISULFITE
MSDS Date:04/06/1989
FSC:6810
NIIN:00-208-6762
=== Responsible Party ===
Company Name:MALLINCKRODT,INC.,SCIENCE PRODUCT DIVISION
Address:PARIS BYPASS
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:DO880
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910
Company Name:MALLINCKRODT,INC.,SCIENCE PRODUCTS DIV.
Box:BOX M
City:PARIS
State:KY
ZIP:43061
Country:US
CAGE:DO880

=============  Composition/Information on Ingredients  =============

Ingred Name:SODIUM BISULFITE  (SASA III)
CAS:7631-90-5
RTECS #:VZ2000000
OSHA PEL:5 MG/M3
ACGIH TLV:5 MG/M3; 9192
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:SODIUM METABISULFITE
CAS:7681-57-4
RTECS #:UX8225000
OSHA PEL:5 MG/M3
ACGIH TLV:5 MG/M3; 9192

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:SODIUM BISULFITE.ORAL RAT LD50:2000MG/KG
Routes of Entry: Inhalation:YES  Skin:UNKNOWN  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:SEE SIGNS & SYMPTOMS OF OVEREXPOSURE.
Effects of Overexposure:INHAL:OF DUST MAY CASE IRRITATION TO MUCOUS
    MEMBRANES OF THE UPPER RESP TRACT.INGEST:MAY CAUSE GASTRIC IRRIT BY
    LIBERATION OF SULFUROUS ACID.LG DOSE DIARRHEA,CIRCULATORY
    DISTURBANCE & CNS DEPRESSION.F ATAL DOSE 10GM.SKIN:IRRIT.EYE:IRRIT
    REDPAIN.CHRONIC EXPOSURE NO INFORMATION FOUND.
Medical Cond Aggravated by Exposure:SOME INDIVIDUALS ARE SAID TO BE
    DANGEROUSLY SENSITIVE TO MINUTE AMTS OF SULFITES IN
    FOOD.SYMPT:BRONCHO CONSTRICTION.SHOCK GI DISTURBANCES.ANGIO
    EDEMA,FLUSHING & TINGLING SENSATIONS.

=======================  First Aid Measures  =======================

First Aid:INHAL:REMOVE TO FRESH AIR.GET MED ATTENTION FOR BREATHING
    DIFFICULTY.INGEST:INDUCE VOMIT.GIVE 2 GLASSES OF H*2O/OR MILK &
    STICK FINGER DOWN THROAT.CALL PHYS.SKIN:REMOVE CONTAM CLOTHING.WASH
    W/ H*2O FO R 15 MIN IF IRRIT DEVELOPS GET MED ATTENTION.EYE:IMMED
    FLUSH W/ PLENTY OF H*2O FOR 15 MIN.CALL PHYSICIAN.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING
    SURROUNDING FIRE.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING & NIOSH-APPROVED
    SCBA W/ FULL FACEPIECE OPERATED IN THE PRESSURE DEMAND OR OTHER
    POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE AN EXPLOSION HAZARD.

==================  Accidental Release Measures  ==================

Spill Release Procedures:VENT AREA.MAY REQUIRE PROT CLOTH,RESP PROT
    FROM DUST.SWEEP UP DRY MAT INTO SUITABLE METAL CONTR W/
    COVER.CAUTIOUSLY SPRAY RESIDUE W/ PLENTY OF H*2O.VENT TO CLEAR
    SULFUR DIOXIDE FUMES.

======================	Handling and Storage  ======================

Handling and Storage Precautions:KEEP IN TIGHTLY CLOSED
    CONTAINER.PROTECT FROM PHYSICAL DAMAGE.STORE IN A COOL,DRY VENT
    AREA AWAY FROM SOURCES OF HEAT,MOISTURE & INCOMPATIBILITIES.
Other Precautions:NOT FOR FOOD USE.DO NOT USE IN MEATS OR IN FOODS
    RECOGNIZED AS A SOURCE OF VITAMIN B-1,NOR IN FRUITS OR VEGETABLES
    TO BE SERVED OR SOLD RAW TO CONSUMERS OR TO BE PRESENTED TO
    CONSUMERS AS FRESH.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:IF EXCEEDED DUST/MIST RESP W/ CHEM GOGGLES MAY
    BE WORN IN GEN UP TO 10 TIMES TLV.CONSULT RESP SUPPLIER FOR
    LIMITATIONS.ALERTNATIVELY,A SUPPLIED AIR FULL FACEPIECE RESPIRATOR
    OR AIRLINED HOOD MAY BE WO RN.
Ventilation:LOCAL/OR GEN EXHAUST IS RECOMMENDED.LOCAL EXHAUST VENT IS
    GEN PREFERRED TO CONTROL CONTAMINAT EMISSION AT SOURCE.
Protective Gloves:RUBBER GLOVES.
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:LAB COAT OR COVERALLS.MAINTAIN EYE WASH
    FOUNTAIN & QUICK-DRENCH FACILITIES IN WORK AREA.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
INGREDIENTS:CHEMICAL FORMULA:USUALLY A MIXTURE OF NAHSO*3 SODIUM
    BISULFITE.NA*2S*2O*5 SODIUM METABISULFITE.FLASH POINT: NOT
    CONSIDERED TO BE A FIRE HAZARD.STABILITY:MFR STATES:NOT STABLE.

==================  Physical/Chemical Properties  ==================

HCC:N1
Decomp Temp:>150.C, 302.F
Spec Gravity:1.48
Solubility in Water:VERY SOLUBLE
Appearance and Odor:COARSE WHITE GRANULES.SLIGHT ODOR OF SULFUR
    DIOXIDE.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:NO
ACIDS,OXIDIZERS,ALUMINUM POWDER.
Stability Condition to Avoid:STRENGTH DIMINISHES SOMEWHATE WITH
    AGE.GRANDUALLY DECOMPOSES IN AIR TO SULFATE,GENERATING SULFUROUS
    ACID GAS.
Hazardous Decomposition Products:WHEN HEATED TO DECOMPOSITION IT EMITS
    TOXIC FUMES OF SODIUM OXIDE & SULFUR OXIDES.

====================  Disposal Considerations  ====================

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
    DISPOSED IN AN APPROVED WASTE DISPOSAL FACILITY.REPORT QUANTITY
    (RQ)(CWA/CERCLA):5000 LB SODIUM BISULFITE.ENSURE COMPLIANCE W/
    LOCAL,STATE & FEDERAL REG ULATIONS.

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 of Defense.  The United States of America in no manner whatsoever,
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 disclaims all liability for its use.  Any person utilizing this
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