Valid 11/1999 - 01/2000



Sigma Chemical Co.

P.O. Box 14508

St. Louis, MO 63178 USA

Tel: 314-771-5765









             MATERIAL         SAFETY       DATA     SHEET



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

    CATALOG #:            O8751

    NAME:                 OXALIC ACID DIAMMONIUM SALT

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

    CAS #: 1113-38-8

    MF: C2H4O4

    EC NO: 214-202-3

  SYNONYMS

    AMMONIUM OXALATE * ETHANEDIOIC ACID DIAMMONIUM SALT *

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

  LABEL PRECAUTIONARY STATEMENTS

    CORROSIVE

    CAUSES BURNS.

    HARMFUL IN CONTACT WITH SKIN AND IF SWALLOWED.

    POSSIBLE RISK OF HARM TO THE UNBORN CHILD.

    TARGET ORGAN(S):

    KIDNEYS

    NERVES

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

    WATER AND SEEK MEDICAL ADVICE.

    TAKE OFF IMMEDIATELY ALL CONTAMINATED CLOTHING.

    WEAR SUITABLE PROTECTIVE CLOTHING, 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.

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- - - - - -

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

    GLOVES, SAFETY GOGGLES, OTHER PROTECTIVE CLOTHING.

    SAFETY SHOWER AND EYE BATH.

    USE ONLY IN A CHEMICAL FUME HOOD.

    DO NOT BREATHE DUST.

    DO NOT GET IN EYES, ON SKIN, ON 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 CRYSTALS

  PHYSICAL PROPERTIES

    SPECIFIC GRAVITY:     1.500

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

  INCOMPATIBILITIES

    STRONG OXIDIZING AGENTS

    STRONG ACIDS

  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS

    TOXIC FUMES OF:

    CARBON MONOXIDE, CARBON DIOXIDE

    NITROGEN OXIDES

    AMMONIA

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

  ACUTE EFFECTS

    HARMFUL IF SWALLOWED.

    HARMFUL IF ABSORBED THROUGH SKIN.

    MAY BE HARMFUL IF INHALED.

    MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES

    AND UPPER RESPIRATORY TRACT, EYES AND SKIN.

    INHALATION MAY RESULT IN SPASM, INFLAMMATION AND EDEMA OF THE

    LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS AND PULMONARY EDEMA.

    SYMPTOMS OF EXPOSURE MAY INCLUDE BURNING SENSATION, COUGHING,

    WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND

    VOMITING.

  CHRONIC EFFECTS

    POSSIBLE RISK OF CONGENITAL MALFORMATION IN THE FETUS.

    TARGET ORGAN(S):

    KIDNEYS

    NERVES

    BLOOD

    EYES

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

    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.

  RTECS #: RO2750000

    OXALIC ACID, DIAMMONIUM SALT

    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

    CORROSIVE

    R 21/22

    HARMFUL IN CONTACT WITH SKIN AND IF SWALLOWED.

    S 24/25

    AVOID CONTACT WITH SKIN AND EYES.

  REVIEWS, STANDARDS, AND REGULATIONS

    OEL=MAK

    EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION

     FEREAC 54,7740,1989

    NOHS 1974: HZD M1531; NIS 26; TNF 3297; NOS 25; TNE 14683

    NOES 1983: HZD M1531; NIS 19; TNF 1305; NOS 20; TNE 18035; TFE 10397

    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY

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