SIGMA CHEMICAL CO -- POTASSIUM IODIDE ACS REAGENT, P4286  -- 6550-00N078700
<pre>=====================  Product Identification  =====================

Product ID:POTASSIUM IODIDE ACS REAGENT, P4286
MSDS Date:08/10/1996
FSC:6550
NIIN:00N078700
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Ingred Name:POTASSIUM IODIDE
CAS:7681-11-0
RTECS #:TT2975000
OSHA PEL:0.1 PPM (MFR)
ACGIH TLV:0.1 PPM (MFR)

=====================  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:HARMFUL IS SWALLOWED,
    INHALED/ABSORBED THRU SKIN. CAUSES SEV IRRIT. HIGH CONCS ARE
    EXTREMELY DESTRUCT TO TISS OF MUC MEMBS & UPPER RESP TRACT, EYES &
    SKIN. SYMPS OF EXPOS MAY INCL BURNING SENSAT ION, COUGH, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HDCH, NAUS & VOMIT. MAY CAUSE
    ALLERGIC RESP & (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:SKIN RXNS. CHRONIC:OVEREXP MAY CAUSE
    REPRO DISORDER(S) BASED ON TESTS W/LAB ANIMALS. TARGET
    ORGS:THYROID. TO BEST OF MFR'S KNOWLEDGE, CHEM, PHYSICAL & TOX
    PROPERTIES HAVE NOT BEEN THORO INVES TIGATED. TARGET ORG
    DATA:BEHAVIORAL (SOMNOLENCE; CONVLS/EFT ON SEIZURE THRESHOLD;
    EXCITEMENT; MUSCLE WEAK), LUNGS, THORAX/RESP (DYSP; OTHER CHANGES),
    MATERNAL EFTS (PARTURITION), EFTS ON FERTILITY (PO ST-IMPLANTATION
    MORTALITY), EFTS ON EMBRYO/FETUS (FETOTOXICITY; FETAL DEATH), EFTS
    ON NEWBORN (VIABILITY INDEX; GROWTH STATISTICS; BEHAVIORAL).
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
    ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:IMMED
    FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING
    CONTAM CLT HG & SHOES. WASH CONTAM CLTHG BEFORE REUSE. DISCARD
    CONTAM SHOES. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF
    RESP. IF BRTHG IS DFCLT, GIVE OXYG. INGEST:WASH OUT MOUTH W/WATER
    PROVIDED PERSON IS	CONSCIOUS. CALL MD.

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

Extinguishing Media:NONCOMBUSTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
    TO SURROUNDING FIRE CONDITIONS.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPRVD SCBA, RUB
    BOOTS & HEAVY RUB GLOVES. WEAR DISPOSABLE COVERALLS & DISCARD THEM
    AFTER USE. SWEEP UP, PLACE IN BAG & HOLD FOR WASTE DISP. AVOID
    RAISING DUST. VENT AREA & W ASH SPILL SITE AFTER MATL PICKUP IS
    COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. DO NOT GET IN
    EYES, ON SKIN, ON CLTHG. AVOID PRLNG/RPTD EXPOS. SEV IRRIT.
    SENSITIZER. POSS TERATOGEN. KEEP TIGHTLY CLOSED.
Other Precautions:STORE IN A COOL, DRY PLACE. HARMFUL. POSSIBLE RISK OF
    HARM TO UNBORN CHILD. MAY CAUSE SENSITIZATION BY INHALATION & SKIN
    CONTACT.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS AND FULL LENGTH
    FACESHIELD .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA . WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:1258F,681C
Vapor Pres:1 @ 745C
Spec Gravity:3.13
Appearance and Odor:SOLID.

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

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, STRONG ACIDS, STEEL, ALUMINUM, ALKALI METALS,
    BRASS, MAGNESIUM, ZINC, CADMIUM, COPPER, TIN, NICKEL & THEIR
    ALLOYS.
Stability Condition to Avoid:MAY DECOMPOSE ON EXPOSURE TO LIGHT, AIR
    AND MOISTURE.
Hazardous Decomposition Products:TOXIC FUMES OF HYDROGEN IODIDE AND
    POTASSIUM OXIDES.

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

Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
    SERVICE TO DISPOSE OF THIS MATERIAL. OBSERVE ALL FEDERAL, STATE &
    LOCAL ENVIRONMENTAL REGULATIONS.

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