Valid 11/1999 - 01/2000



Riedel-de Haen

3050 Spruce St.

St. Louis, MO 63178 USA

Tel: 314-289-6000









             MATERIAL         SAFETY       DATA     SHEET



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

    CATALOG #:            32751

    NAME:                 ERIOCHROME BLACK T, INDICATOR FOR METAL

                             TITRATION    (C.I.14645, S.#241)

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

    CAS #: 1787-61-7

    MF: C20H12N3NAO7S

    EC NO: 217-250-3

  SYNONYMS

    ACID CHROME BLACK ET * ACID CHROME BLACK ETN * CHROME BLACK PB *

    CHROME BLACK SPECIAL * CHROME BLACK T * CHROMOGENE BLACK ET00 SPECIAL

    * CHROMOGENE BLACK T 160 * C.I. MORDANT BLACK 11, MONOSODIUM SALT *

    CZERN KWASOWO-CHROMOWA ETN (POLISH) * DIACROMO BLACK PSS * ERIOCHROME

    BLACK T * SOLOCHROME BLACK * SOLOCHROME BLACK T * SOLOCHROME BLACK

    WDFA * SUNCHROMINE BLACK ET * SUPERCHROME BLACK TS *

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

  LABEL PRECAUTIONARY STATEMENTS

    IRRITANT

    IRRITATING TO EYES, RESPIRATORY SYSTEM AND SKIN.

    IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF

    WATER AND SEEK MEDICAL ADVICE.

    WEAR SUITABLE PROTECTIVE CLOTHING.

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.

    IRRITANT.

    KEEP TIGHTLY CLOSED.

    STORE IN A COOL DRY PLACE.

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

  APPEARANCE AND ODOR

    BLACK POWDER

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

  INCOMPATIBILITIES

    STRONG OXIDIZING AGENTS

  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS

    TOXIC FUMES OF:

    CARBON MONOXIDE, CARBON DIOXIDE

    NITROGEN OXIDES

    SULFUR OXIDES

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.

  RTECS #: QK2197000

    1-NAPHTHALENESULFONIC ACID,

     3-HYDROXY-4-((1-HYDROXY-2-NAPHTHALENYL)AZO)-7-NITRO-,

    MONOSODIUM SALT

  TOXICITY DATA

    ORL-RAT LD50:17590 MG/KG                      BCTKAG 21,65,1988

    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 SIGMA 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 36

    WEAR SUITABLE PROTECTIVE CLOTHING.

  REVIEWS, STANDARDS, AND REGULATIONS

    OEL=MAK

    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY

    EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1999

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 1998 SIGMA-ALDRICH CO.

    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY