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 #:            C38907     NAME:                 4-CHLORO-3,5-DINITROBENZOIC ACID, 97% SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -     CAS #:   118-97-8     MF: C7H3CLN2O6     EC NO:  204-290-1 SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -   LABEL PRECAUTIONARY STATEMENTS     IRRITANT     IRRITATING TO EYES, RESPIRATORY SYSTEM AND SKIN.     READILY ABSORBED THROUGH SKIN.     IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF     WATER AND SEEK MEDICAL ADVICE.     WEAR SUITABLE GLOVES AND EYE/FACE PROTECTION. 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.     ASSURE ADEQUATE FLUSHING OF THE EYES BY SEPARATING THE EYELIDS     WITH FINGERS.     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.     DISCARD CONTAMINATED SHOES. SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -   EXTINGUISHING MEDIA     CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE FOAM.     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- - - - - - - - -     EVACUATE AREA.     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.     USE ONLY IN A CHEMICAL FUME HOOD.     FACESHIELD (8-INCH MINIMUM).     SAFETY SHOWER AND EYE BATH.     DO NOT BREATHE DUST.     DO NOT GET IN EYES, ON SKIN, ON CLOTHING.     AVOID PROLONGED OR REPEATED EXPOSURE.     READILY ABSORBED THROUGH SKIN.     WASH THOROUGHLY AFTER HANDLING.     IRRITANT.     KEEP TIGHTLY CLOSED.     STORE IN A COOL DRY PLACE. SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -   APPEARANCE AND ODOR     YELLOW CRYSTALLINE SOLID   PHYSICAL PROPERTIES     MELTING POINT:      159 C TO 162 C SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -   INCOMPATIBILITIES     STRONG OXIDIZING AGENTS     STRONG BASES   HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS     TOXIC FUMES OF:     CARBON MONOXIDE, CARBON DIOXIDE     NITROGEN OXIDES     HYDROGEN CHLORIDE GAS SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -   ACUTE EFFECTS     MAY BE HARMFUL BY INHALATION, INGESTION, OR SKIN ABSORPTION.     CAUSES EYE AND SKIN IRRITATION.     MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER     RESPIRATORY TRACT.     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 - - - - - - - - -     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 - - - - - - - - - -   EUROPEAN INFORMATION     IRRITANT     R 36/37/38     IRRITATING TO EYES, RESPIRATORY SYSTEM AND SKIN.     S 26     IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF     WATER AND SEEK MEDICAL ADVICE.     S 37/39     WEAR SUITABLE GLOVES AND EYE/FACE PROTECTION. 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.