=====================  Product Identification  =====================

MSDS NAME:POTASSIUM METABISULFITE, P197500
NIIN:00N008684
MSDS Number: CBVPS
=== Responsible Party ===
Company:FISHER SCIENTIFIC CHEMICAL
Address:1 REAGENT LANE
City:FAIRLAWN
State:NJ
ZIP:07410
Country:US
Info Phone Num:201-796-7100
Emergency Phone Num:800-424-9300 (CHEMTREC)
CAGE:1B464
=== Contractor Identification ===
Company:FISHER SCIENTIFIC CO.  CHEMICAL MFG DIV
Address:1 REAGENT LANE
Box:City:FAIRLAWN
State:NJ
ZIP:07410-2802
Country:US
Phone:201-796-7100
CAGE:1B464

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

Name:ING 22:IN PRESS-DEMAND/OTHER POS-PRESS MODE IN COMBINATION
    W/AUXILIARY NIOSH APPRVD SCBA OPERATED IN PRESS-(ING 24)
RTECS #:9999999ZZ

Name:ING 23:DEMAND OR OTHER POSITIVE-PRESSURE MODE.
RTECS #:9999999ZZ

Name:OTHER PROT EQUIP:DELUGE SHOWER .
RTECS #:9999999ZZ

Name:ING 8:SENSITIZER-INHALATION, SKIN, INGEST. AT INCR RISK
    FROM EXPOS:PERSONS W/RENAL INSUFFICIENCY & ASTHMATICS.
RTECS #:9999999ZZ

Name:FIRST AID PROC:SALINE, OCCASNLY LIFTING UPPER & LOWER LIDS,
    UNTIL NO EVID OF CHEM REMAINS (FOR @ LEAST 15 MINS).(ING 11)
RTECS #:9999999ZZ

Name:ING 10:GET MED ATTN IMMED. INGEST:TREAT SYMPTOMATICALLY &
    SUPPORTIVELY. GET MED ATTN IMMED. IF VOMIT OCCURS, (ING 12)
RTECS #:9999999ZZ

Name:ING 11:KEEP HEAD LOWER THAN HIPS TO PVNT ASPIRATION. TREAT
    SYMPTOMATICALLY & SUPPORTIVELY.
RTECS #:9999999ZZ

Name:SPILL RELEASE PROC:CNTNRS FROM SPILL AREA. FOR LARGER
    SPILLS, DIKE FAR AHEAD OF SPILL FOR LATER DISP. KEEP (ING 14)
RTECS #:9999999ZZ

Name:ING 13:UNNECESSARY PEOPLE AWAY. ISOLATE HAZARD AREA AND
    DENY ENTRY.
RTECS #:9999999ZZ

Name:RESP PROT:ON SPECIFIC OPERATION, MUST NOT EXCEED WORKING
    LIMS OF RESP & MUST BE APPRVD BY NATIONAL (ING 16)
RTECS #:9999999ZZ

Name:ING 15:INSTITUTE FOR OCCUP SFTY & HLTH (NIOSH). ANY NIOSH
    APPRVD DUST & MIST (ING 17)
RTECS #:9999999ZZ

Name:ING 16:RESP. ANY NIOSH APPRVD AIR-PURIFYING RESP
    W/HIGH-EFFICIENCY PARTICULATE FILTER. ANY NIOSH (ING 18)
RTECS #:9999999ZZ

Name:ING 17:POWERED AIR-PURIFYING RESP W/DUST & MIST FILTER. ANY
    NIOSH APPRVD POWERED AIR-PURIFYING RESP W/HIGH- (ING 19)
RTECS #:9999999ZZ

Name:ING 18:EFFICIENCY PARTICULATE FILTER. ANY NIOSH APPRVD TYPE
    'C' SUPPLIED-AIR RESP OPERATED IN PRESS-DEMAND (ING 20)
RTECS #:9999999ZZ

Name:ING 19:OR OTHER POS PRESS/CONTINUOUS-FLOW MODE. ANY NIOSH
    APPRVD SCBA. FOR FIREFIGHTING & OTHER IMMED (ING 21)
RTECS #:9999999ZZ

Name:ING 20:DANGEROUS TO LIFE/HLTH CNDTNS:ANY NIOSH APPRVD SCBA
    THAT HAS FULL FACEPIECE & IS OPERATED IN PRESS-(ING 22)
RTECS #:9999999ZZ

Name:ING 21:DEMAND/OTHER POS-PRESS MODE. ANY NIOSH APPRVD
    SUPPLIED-AIR RESP HAVING FULL FACEPIECE & IS OPERATED(ING 23)
RTECS #:9999999ZZ

Name:POTASSIUM PYROSULFITE; (POTASSIUM METABISULFITE)
CAS:16731-55-8
RTECS #:TT4920000
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:SUPDAT:TYPE OF SURROUNDING FIRE. AVOID BREATHING HAZARDOUS
    VAPORS, KEEP UPWIND.
RTECS #:9999999ZZ

Name:EFTS OF OVEREXP:DISTURB, CNS DEPRESS, & DEATH IN RATS. IN
    SUSCEPTIBLE INDIVIDUALS, PARTICULARLY ASTHMATICS, (ING 4)
RTECS #:9999999ZZ

Name:ING 3:SULFITES MAY CAUSE GENERALIZED ITCHING, LARYNGEAL
    EDEMA, HYPOTENSION, CYANOSIS, RAPID PULSE, COLD CLAMMY (ING 5)
RTECS #:9999999ZZ

Name:ING 4:SKIN, ANAPHYLAXIS, RESP ARREST, & UNCON.
    CHRONIC:INHAL:RPTD EXPOS MAY RSLT IN SENSITIZ. SKIN:RPTD/PRLNGD
    (ING 6)
RTECS #:9999999ZZ

Name:ING 5:CONT W/IRRITANTS MAY CAUSE DERM. RPTD EXPOS MAY RSLT
    IN SENSITIZ. EYE:RPTD/PRLNGD CONT W/IRRITANTS MAY (ING 7)
RTECS #:9999999ZZ

Name:ING 6:CAUSE CONJUNCT. INGEST:RPTD INGEST OF FOODS CNTNG
    SULFITES MAY RSLT IN SENSITIZ. EFTS ON NEWBORN HAVE BEEN (ING 8)
RTECS #:9999999ZZ

Name:ING 7:RPTD FOLLOWING INGEST DURING PREGNANCY IN RATS.
    TOXICITY:LOCAL EFTS:IRRITANT-INHAL, SKIN. TARGET EFTS: (ING 9)
RTECS #:9999999ZZ

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

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:INHAL:INHAL OF DUSTS MAY CAUSE
    MUC MEMB IRRIT W/SORE THROAT, COUGHING & SHORTNESS OF BREATH.
    SULFITES MAY CAUSE SENSIT RXNS IN PREVIOUSLY EXPOS INDIVIDUALS,
    ESPECIALLY ASTHMATICS. SYMPS MAY INCL  FLUSHING, SEV WHEEZING,
    SWELLING OF THORAT, & GENERALIZED ITCHING. SKIN:MAY CAUSE IRRIT
    W/REDNESS (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:& PAIN. SENSITIZ DERM MAY OCCUR IN
    PREVIOUSLY EXPOS INDIVIDUALS. EYE:MAY CAUSE IRRIT W/REDNESS & PAIN.
    INGEST:MAY CAUSE SORE THROAT & ABDOM PAIN. LG SINGLE DOSES OF
    POTASSIUM SALTS MAY CAUSE  VOMIT TO OCCUR. INGEST OF LG DOSE OF
    SULFITE SALTS HAS BEEN RPTD TO CAUSE VIOLENT COLIC, & DIARR,
    CIRCULATORY (ING 3)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHAL:REMOE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG HAS
    STOPPED, PERFORM ARTF RESP. KEEP PERSON WARM & AT REST. TREAT
    SYMPTOMATICALLY & SUPPORTIVELY. GET MED ATTN IMMED. SKIN:REMOVE
    CONTAMD CLTHG  & SHOES IMMED. WASH AFFECTED AREA W/SOAP OR MILD
    DETERGENT & LG AMTS OF WATER UNTIL NO EVID OF CHEM REMAINS (APPROX
    15-20 MINS). GET MED ATTN IMMED. EYE:WASH IMMED W/LG AMTS OF
    WATER/NORMAL (ING 10)

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

Extinguishing Media:DRY CHEM, CO*2, WATER SPRAY/REGULAR FOAM (1990 EMER
    RESPONSE GUIDEBOOK, DOT P 5800.5). FOR LARGER FIRES, USE (SUPDAT)
Fire Fighting Procedures:NIOSH APPRVD SCBA & FULL PROT EQUIP . MOVE
    CNTNR FROM FIRE AREA IF YOU CAN DO IT W/OUT RISK. DO NOT SCATTER
    SPILLED MATL W/HIGH-PRESS WATER (SUPDAT)
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPOSED TO
    HEAT OR FLAME.

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

Spill Release Procedures:OCCUP SPILL:DO NOT TOUCH SPILLED MATL. STOP
    LEAK IF YOU CAN DO SO W/OUT RISK. SM SPILLS:TAKE UP W/SAND OR OTHER
    ABSORB MATL & PLACE INTO CNTNRS FOR LATER DISP. FOR SM DRY SPILLS,
    W/CLEAN SHOVEL PLACE  MATL INTO CLEAN, DRY CNTNR & COVER. MOVE (ING
    13)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE AWAY FROM INCOMPATIBLE
    SUBSTANCES. MAY BURN BUT DOES NOT IGNITE READILY. FLAMMABLE,
    POISONOUS GASES MAY ACCUMULATE IN TANKS & HOPPER CARS.
Other Precautions:MAY IGNITE COMBUSTIBLES (WOOD, PAPER, OIL, ETC.).

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

Respiratory Protection:FOLLOWING RESPS ARE REC BASED ON INFO FOUND IN
    PHYSICAL DATA, TOXICITY & HLTH EFTS SECTION. THEY ARE RANKED IN
    ORDER FROM MIN TO MAX RESP PROT. SPECIFIC RESP SELECTED MUST BE
    BASED ON CONTAM LEVS FOUN D IN WORK PLACE, MUST BE BASED (ING 15)
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION SYSTEM.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:MUST WEAR APPROP PROT (IMPERVIOUS) CLTHG &
    EQUIP TO PVNT RPTD/PRLNGD SKIN CONT. ANSI APPRVD EMER EYE WASH &
    (ING 25)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
MP:DECOMPOSES 374F,190C. APPEAR/ODOR:SOLID WITH A SULFUR DIOXIDE ODOR.
    EXTING MEDIA:WATER SPRAY, FOG/REGULAR FOAM (1990 EMER RESPONSE
    GUIDEBOOK, DOT P 5800.5). FIRE FIGHT PROC:STREAMS. DIKE FIRE-CONTR
    OL WATER FOR LATER DISP (1990 EMER RESPONSE GUIDEBOOK, DOT P
    5800.5, GUIDE PAGE 31). USE AGENTS SUITABLE FOR (ING 2)

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

Melt/Freeze Pt:M.P/F.P Text:SUPDAT
Spec Gravity:2.34
pH:ACIDIC
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE OR COLORLESS MONOCLINIC PLATES OR GRANULAR OR
    CRYSTALLINE POWDER (SUPDAT)

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

Stability Indicator/Materials to Avoid:YES
POTASSIUM METABISULFITE:ACIDS:LIBERATES SULFUR DIOXIDE.
Stability Condition to Avoid:STABLE UNDER NORM TEMPERATURES & PRESSURES
    IN AN ENCLOSED CNTNR. SLOWLY OXIDIZED TO SULFATE ON EXPOSURE TO
    AIR.
Hazardous Decomposition Products:THERMAL DECOMPOSITION PRODUCTS MAY
    INCLUDE TOXIC OXIDES OF SULFUR.

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

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE & LOCAL REGS WHEN
    STORING/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.

*** END OF RECORD ***