Valid 05/2000 - 07/2000



            Aldrich Chemical Co., Inc.

            1001 West St. Paul

            Milwaukee, WI 53233 USA

            Tel: 414-273-3850









                   MATERIAL SAFETY DATA SHEET



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

           CATALOG #:              148245

           NAME:              2-METHOXYNAPHTHALENE, 99%

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

           CAS #: 93-04-9

           MF: C11H10O

           EC NO: 202-213-6

          SYNONYMS

           BETA-METHOXYNAPHTHALENE * 2-METHOXYNAPHTHALENE * METHYL

BETA-NAPHTHYL

           ETHER * METHYL 2-NAPHTHYL ETHER * BETA-NAPHTHOL METHYL ETHER *

2-

           NAPHTHOL METHYL ETHER * BETA-NAPHTHYL METHYL ETHER * 2-

NAPHTHYL

           METHYL ETHER * NEROLIN (OLD) * YARA YARA *

         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.

           WASH CONTAMINATED CLOTHING BEFORE REUSE.

         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.

          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.

            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- - - - - -

            CHEMICAL SAFETY GOGGLES.

            COMPATIBLE CHEMICAL-RESISTANT GLOVES.

            NIOSH/MSHA-APPROVED RESPIRATOR.

            SAFETY SHOWER AND EYE BATH.

            MECHANICAL EXHAUST REQUIRED.

            AVOID INHALATION.

            AVOID CONTACT WITH EYES, SKIN AND CLOTHING.

            AVOID PROLONGED OR REPEATED EXPOSURE.

            WASH THOROUGHLY AFTER HANDLING.

            KEEP TIGHTLY CLOSED.

            STORE IN A COOL DRY PLACE.

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

           APPEARANCE AND ODOR

            WHITE TO OFF-WHITE POWDER OR FLAKES

           PHYSICAL PROPERTIES

            BOILING POINT:            274 C

            MELTING POINT:            73 C TO 75 C

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

           INCOMPATIBILITIES

            STRONG 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 EYE IRRITATION.

            MAY CAUSE SKIN IRRITATION.

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

            TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY

INVESTIGATED.

           RTECS #: QJ9468750

            NAPHTHALENE, 2-METHOXY-

           TOXICITY DATA

            ORL-RAT LD50:>5 GM/KG                     FCTXAV 13,885,1975

            SKN-RBT LD50:>5 GM/KG                     FCTXAV 13,885,1975

            ONLY SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES

            (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR

            COMPLETE INFORMATION.

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

            DATA NOT YET AVAILABLE.

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

            DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE SOLVENT AND

BURN IN A

            CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER AND

SCRUBBER.

            OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL

REGULATIONS.

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

           CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION

INFORMATION.

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

           DATA NOT AVAILABLE

         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