PRODUCT #: 312258       NAME: 4-CHLOROBENZALDEHYDE-RING-UL-14C

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

                         Printed Tuesday, March 11, 1903 9:48AM



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 #:             312258

    NAME:                  4-CHLOROBENZALDEHYDE-RING-UL-14C

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

    CAS #:104809-95-2

    MF: C7H5CLO

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

    DATA NOT AVAILABLE

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

    IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH COPIOUS AMOUNTS OF

    WATER FOR AT LEAST 15 MINUTES.

    IN CASE OF CONTACT, IMMEDIATELY WASH SKIN WITH SOAP AND COPIOUS

    AMOUNTS OF WATER.

    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

    WATER SPRAY.

    CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE FOAM.

  SPECIAL FIREFIGHTING PROCEDURES

    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO

    PREVENT CONTACT WITH SKIN AND EYES.

    COMBUSTIBLE.

  UNUSUAL FIRE AND EXPLOSIONS HAZARDS

    EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

    WEAR RESPIRATOR, CHEMICAL SAFETY GOGGLES, RUBBER BOOTS AND HEAVY

    RUBBER GLOVES.

    SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL.

    VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.

    HANDLE AS A RADIOACTIVE SPILL.

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.

    SAFETY SHOWER AND EYE BATH.

    MECHANICAL EXHAUST REQUIRED.

    DO NOT BREATHE DUST.

    AVOID CONTACT WITH EYES, SKIN AND CLOTHING.

    WASH THOROUGHLY AFTER HANDLING.

    IRRITANT.

    HARMFUL SOLID OR LIQUID (PHYSICAL STATE IS TEMPERATURE DEPENDENT).

    KEEP CONTAINER CLOSED.

    KEEP AWAY FROM HEAT AND OPEN FLAME.

    STORE IN A COOL DRY PLACE.



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             PRODUCT #: 312258       NAME: 4-CHLOROBENZALDEHYDE-RING-UL-14C

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

                         Printed Tuesday, March 11, 1903 9:48AM



    CAUTION: RADIOACTIVE MATERIAL.

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

  PHYSICAL PROPERTIES

    BOILING POINT:         213 C TO 214 C

    MELTING POINT:      44 C TO 47 C

    FLASHPOINT                190F

                              87.77C

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

  INCOMPATIBILITIES

    STRONG BASES

    STRONG OXIDIZING AGENTS

    STRONG REDUCING AGENTS

  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS

    TOXIC FUMES OF:

    CARBON MONOXIDE, CARBON DIOXIDE

    HYDROGEN CHLORIDE GAS

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

  ACUTE EFFECTS

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

    CAUSES EYE AND SKIN IRRITATION.

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

    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.

  CHRONIC EFFECTS

    CONTAINS A RADIOACTIVE ISOTOPE WHICH MAY PRODUCE CANCER

    AND GENETIC MUTATION.

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

    DATA NOT YET AVAILABLE.

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

    DISPOSE OF SPILLED MATERIAL AS RADIOACTIVE WASTE.

    CONSULT LOCAL, STATE AND FEDERAL REGULATIONS ON THE DISPOSAL OF

    RADIOACTIVE WASTE.

    OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

SECTION 14. - - - - - - - - - - TRANSPORT INFORMATION - - - - - - - - -

    CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION INFORMATION.

SECTION 15. - - - - - - - - - REGULATORY INFORMATION - - - - - - - - - -

  EUROPEAN INFORMATION

    CAUTION: SUBSTANCE NOT YET FULLY TESTED.

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









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