Valid 11/2000 - 01/2001

Aldrich Chemical Co., Inc.
1001 West St. Paul
Milwaukee, WI 53233 USA
Tel: 414-273-3850





             M A T E R I A L  S A F E T Y  D A T A  S H E E T
             
SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - -
    CATALOG #:            205745
    NAME:                 PALLADIUM, 0.5 WT. % ON ALUMINA, 3.2MM
                          PELLETS
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
    CAS #:NONE
    MF: PD
  HAZARDOUS INGREDIENTS
    CONTAINS ALUMINUM OXIDE, CHEMICAL ABSTRACTS REGISTRY NUMBER 1344-28-1.
    CONTAINS PALLADIUM, CHEMICAL ABSTRACTS REGISTRY NUMBER 7440-05-3.
  ADDITIONAL INFORMATION
    CONTAINS ALUMINUM OXIDE, CHEMICAL ABSTRACTS REGISTRY NUMBER 1344-28-1.
    CONTAINS PALLADIUM, CHEMICAL ABSTRACTS REGISTRY NUMBER 7440-05-3.
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -
  LABEL PRECAUTIONARY STATEMENTS
    HARMFUL
    HARMFUL BY INHALATION.
    IRRITATING TO RESPIRATORY SYSTEM.
    TARGET ORGAN(S):
    LUNGS
    BONES
    WEAR SUITABLE PROTECTIVE CLOTHING.
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -
    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.
    CALL A PHYSICIAN.
    IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    IN CASE OF SKIN CONTACT, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. REMOVE CONTAMINATED CLOTHING AND
    SHOES. CALL A PHYSICIAN.
    IN CASE OF CONTACT WITH EYES, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING BY SEPARATING
    THE EYELIDS WITH FINGERS. CALL A PHYSICIAN.
SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -
  EXTINGUISHING MEDIA
    CARBON DIOXIDE.
    DRY CHEMICAL POWDER.
    WATER SPRAY.
  SPECIAL FIREFIGHTING PROCEDURES
    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO
    PREVENT CONTACT WITH SKIN AND EYES.
  UNUSUAL FIRE AND EXPLOSIONS HAZARDS
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -
    WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY
    RUBBER GLOVES.
    SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL.
    AVOID RAISING DUST.
    VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
    EVACUATE AREA.
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -
    REFER TO SECTION 8.
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -
    SAFETY SHOWER AND EYE BATH.
    MECHANICAL EXHAUST REQUIRED.
    WASH THOROUGHLY AFTER HANDLING.
    DO NOT BREATHE DUST.
    AVOID CONTACT WITH EYES, SKIN AND CLOTHING.
    AVOID PROLONGED OR REPEATED EXPOSURE.
    NIOSH/MSHA-APPROVED RESPIRATOR.
    COMPATIBLE CHEMICAL-RESISTANT GLOVES.
    CHEMICAL SAFETY GOGGLES.
    STORE IN A COOL DRY PLACE.
    KEEP TIGHTLY CLOSED.
SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -
  APPEARANCE AND ODOR
    GREY PELLETS
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
  STABILITY
    STABLE.
  INCOMPATIBILITIES
    EXOTHERMIC IN CONTACT WITH WATER.
  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS
    CARBON MONOXIDE, CARBON DIOXIDE
  HAZARDOUS POLYMERIZATION
    WILL NOT OCCUR.
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -
  ACUTE EFFECTS
    MAY CAUSE SKIN IRRITATION.
    MAY BE HARMFUL IF ABSORBED THROUGH THE SKIN.
    MAY CAUSE EYE IRRITATION.
    HARMFUL IF INHALED.
    MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER
    RESPIRATORY TRACT.
    MAY BE HARMFUL IF SWALLOWED.
    TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
  CHRONIC EFFECTS
    TARGET ORGAN(S):
    LUNGS
    BONES
SECTION 12. - - - - - - - - - ECOLOGICAL INFORMATION - - - - - - - - - -
    DATA NOT YET AVAILABLE.
SECTION 13. - - - - - - - - - DISPOSAL CONSIDERATIONS - - - - - - - - -
    CATALYSTS AND EXPENSIVE METALS SHOULD BE RECOVERED FOR REUSE
    OR RECYCLING.
    OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.
SECTION 14. - - - - - - - - - - TRANSPORT INFORMATION - - - - - - - - -
    CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION INFORMATION.
SECTION 15. - - - - - - - - - REGULATORY INFORMATION - - - - - - - - - -
  EUROPEAN INFORMATION
    CAUTION: SUBSTANCE NOT YET FULLY TESTED.
    HARMFUL
    R 20
    HARMFUL BY INHALATION.
    R 37
    IRRITATING TO RESPIRATORY SYSTEM.
    S 36
    WEAR SUITABLE PROTECTIVE CLOTHING.
  TLV AND SOURCE
    FOR ALUMINA (ALUMINUM OXIDE)
    ACGIH TLV-TWA: 10 MG/M3, TOTAL DUST.
    OSHA PEL: 8H TWA 5 MG/M3, RESPIRABLE FRACTION.
    OSHA PEL: 8H TWA 10 MG/M3, TOTAL DUST.
SECTION 16. - - - - - - - - - - OTHER INFORMATION- - - - - - - - - - - -
    THE ABOVE INFORMATION IS BELIEVED TO BE CORRECT BUT DOES NOT PURPORT TO
    BE ALL INCLUSIVE AND SHALL BE USED ONLY AS A GUIDE. SIGMA, ALDRICH,
    FLUKA SHALL NOT BE HELD LIABLE FOR ANY DAMAGE RESULTING FROM HANDLING
    OR FROM CONTACT WITH THE ABOVE PRODUCT. SEE REVERSE SIDE OF INVOICE OR
    PACKING SLIP FOR ADDITIONAL TERMS AND CONDITIONS OF SALE.
    COPYRIGHT 1999 SIGMA-ALDRICH CO.
    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY