PRODUCT #: 164275       NAME: TRICYCLO(5.2.1.02,6)DECANE, 98%

                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98

                        Printed Wednesday, March 19, 1903 7:35AM



Sigma Chemical Co.         Aldrich Chemical Co., Inc.     Fluka Chemical Corp.

P.O. Box 14508             1001 West St. Paul             1001 West St. Paul

St. Louis, MO 63178        Milwaukee, WI 53233            Milwaukee, WI 53233

Phone: 314-771-5765        Phone: 414-273-3850            Phone: 414-273-3850









SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - -

    CATALOG #:            164275

    NAME:                 TRICYCLO(5.2.1.02,6)DECANE, 98%

SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -

    CAS #: 2825-83-4

    MF: C10H16

    EC NO: 220-586-3

SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -

  LABEL PRECAUTIONARY STATEMENTS

    FLAMMABLE (USA)

    HIGHLY FLAMMABLE (EU)

    KEEP AWAY FROM SOURCES OF IGNITION - NO SMOKING.

    TAKE PRECAUTIONARY MEASURES AGAINST STATIC DISCHARGES.

    KEEP CONTAINER TIGHTLY CLOSED AND IN WELL-VENTILATED PLACE.

SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -

    IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH COPIOUS

    AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED

    CLOTHING AND SHOES.

    IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL

    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.

    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.

    CALL A PHYSICIAN.

    REMOVE AND WASH CONTAMINATED CLOTHING PROMPTLY.

SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -

  EXTINGUISHING MEDIA

    CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE FOAM.

    WATER MAY BE EFFECTIVE FOR COOLING, BUT MAY NOT EFFECT EXTINGUISHMENT.

  SPECIAL FIREFIGHTING PROCEDURES

    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO

    PREVENT CONTACT WITH SKIN AND EYES.

    USE WATER SPRAY TO COOL FIRE-EXPOSED CONTAINERS.

  UNUSUAL FIRE AND EXPLOSIONS HAZARDS

    THIS MATERIAL, LIKE MOST MATERIALS IN POWDER FORM, IS CAPABLE OF

    CREATING A DUST EXPLOSION.

SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -

    EVACUATE AREA.

    SHUT OFF ALL SOURCES OF IGNITION.

    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.

SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -

    REFER TO SECTION 8.

SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -

    WEAR APPROPRIATE NIOSH/MSHA-APPROVED RESPIRATOR, CHEMICAL-RESISTANT

    GLOVES, SAFETY GOGGLES, OTHER PROTECTIVE CLOTHING.

    MECHANICAL EXHAUST REQUIRED.

    SAFETY SHOWER AND EYE BATH.



                                          Page 1

             PRODUCT #: 164275       NAME: TRICYCLO(5.2.1.02,6)DECANE, 98%

                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98

                        Printed Wednesday, March 19, 1903 7:35AM



    USE NONSPARKING TOOLS.

    DO NOT BREATHE DUST.

    AVOID CONTACT WITH EYES, SKIN AND CLOTHING.

    WASH THOROUGHLY AFTER HANDLING.

    KEEP TIGHTLY CLOSED.

    KEEP AWAY FROM HEAT, SPARKS, AND OPEN FLAME.

    STORE IN A COOL DRY PLACE.

SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -

  APPEARANCE AND ODOR

    OFF-WHITE CRYSTALS

  PHYSICAL PROPERTIES

    BOILING POINT:         193 C/769MM.

    MELTING POINT:       77 C TO 79 C

    FLASHPOINT                  105 F

                                 40C

SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -

  INCOMPATIBILITIES

    OXIDIZING AGENTS

  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS

    TOXIC FUMES OF:

    CARBON MONOXIDE, CARBON DIOXIDE

SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -

  ACUTE EFFECTS

    MAY BE HARMFUL BY INHALATION, INGESTION, OR SKIN ABSORPTION.

    MAY CAUSE IRRITATION.

    TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND

    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.

SECTION 12. - - - - - - - - - ECOLOGICAL INFORMATION - - - - - - - - - -

    DATA NOT YET AVAILABLE.

SECTION 13. - - - - - - - - - DISPOSAL CONSIDERATIONS - - - - - - - - -

    BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER AND

    SCRUBBER BUT EXERT EXTRA CARE IN IGNITING AS THIS MATERIAL IS HIGHLY

    FLAMMABLE.

    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

    HIGHLY FLAMMABLE

    HIGHLY FLAMMABLE

    S 16

    KEEP AWAY FROM SOURCES OF IGNITION - NO SMOKING.

    S 33

    TAKE PRECAUTIONARY MEASURES AGAINST STATIC DISCHARGES.

    S 7/9

    KEEP CONTAINER TIGHTLY CLOSED AND IN WELL-VENTILATED PLACE.

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 1997 SIGMA CHEMICAL CO., ALDRICH CHEMICAL CO., INC.,

    FLUKA CHEMIE AG

    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY







                                          Page 2