Valid 05/2001 - 07/2001

Sigma Chemical Co.
P.O. Box 14508
St. Louis, MO 63178 USA
Tel: 314-771-5765





             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 #:            S1526
    NAME:                 SULFURIC ACID ACS REAGENT
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
    CAS #:  7664-93-9
    MF: H2O4S
    EC NO:  231-639-5
  HAZARDOUS INGREDIENTS
    CONTAINS SULFURIC ACID, CHEMICAL ABSTRACTS REGISTRY NUMBER 7664-93-9.
    CONTAINS SULFURIC ACID, CHEMICAL ABSTRACTS REGISTRY NUMBER 7664-93-9.
  SYNONYMS
    ACIDE SULFURIQUE (FRENCH) * ACIDO SOLFORICO (ITALIAN) * BATTERY ACID *
     BOV * DIHYDROGEN SULFATE * DIPPING ACID * ELECTROLYTE ACID *
    MATTLING ACID * OIL OF VITRIOL * SCHWEFELSAEURELOESUNGEN (GERMAN) *
    STRONG INORGANIC ACID MISTS CONTAINING SULFURIC ACID * SULFURIC ACID
    (ACGIH:OSHA) * SULPHURIC ACID * VITRIOL BROWN OIL *
    ZWAVELZUUROPLOSSINGEN (DUTCH) *
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -
  LABEL PRECAUTIONARY STATEMENTS
    HIGHLY TOXIC (USA)
    TOXIC (EU)
    CAUSES SEVERE BURNS.
    TOXIC BY INHALATION.
    TARGET ORGAN(S):
    TEETH
    CARDIOVASCULAR SYSTEM
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
    WEAR SUITABLE PROTECTIVE CLOTHING, GLOVES AND EYE/FACE
    PROTECTION.
    DO NOT BREATHE VAPOR.
    NEVER ADD WATER TO THIS PRODUCT.
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -
    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.
    CALL A PHYSICIAN.
    DO NOT INDUCE VOMITING.
    IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    IN CASE OF SKIN CONTACT, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. REMOVE CONTAMINATED CLOTHING AND
    SHOES. CALL A PHYSICIAN.
    IN CASE OF CONTACT WITH EYES, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING BY SEPARATING
    THE EYELIDS WITH FINGERS. CALL A PHYSICIAN.
SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -
  EXTINGUISHING MEDIA
    NONCOMBUSTIBLE.
    USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING FIRE CONDITIONS.
  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.
    STRONG DEHYDRATING AGENT WHICH MAY CAUSE IGNITION OF FINELY
    DIVIDED MATERIALS ON CONTACT.
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -
    WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY
    RUBBER GLOVES.
    COVER WITH DRY LIME OR SODA ASH, PICK UP, KEEP IN A CLOSED CONTAINER
    AND HOLD FOR WASTE DISPOSAL.
    VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
    EVACUATE AREA.
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -
    REFER TO SECTION 8.
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -
    SAFETY SHOWER AND EYE BATH.
    USE ONLY IN A CHEMICAL FUME HOOD.
    WASH CONTAMINATED CLOTHING BEFORE REUSE.
    DISCARD CONTAMINATED SHOES.
    WASH THOROUGHLY AFTER HANDLING.
    DO NOT BREATHE VAPOR.
    DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
    AVOID PROLONGED OR REPEATED EXPOSURE.
    NIOSH/MSHA-APPROVED RESPIRATOR.
    COMPATIBLE CHEMICAL-RESISTANT GLOVES.
    CHEMICAL SAFETY GOGGLES.
    FACESHIELD (8-INCH MINIMUM).
    KEEP TIGHTLY CLOSED.
    STORE IN A COOL DRY PLACE.
SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -
  APPEARANCE AND ODOR
    LIQUID.
  PHYSICAL PROPERTIES
    BOILING POINT:        290  C
    MELTING POINT:      10.31  C
    VAPOR PRESSURE:      1 MMHG
    SOLUBILITY:
           WATER -Z1076
    SPECIFIC GRAVITY:     1.8 G
    VAPOR DENSITY:     < 0.3 G/L
    FREEZING POINT:          3  C
    VISCOSITY                21 PAS
    PH:                      1.2
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
  STABILITY
    STABLE.
  INCOMPATIBILITIES
    BASES
    HALIDES
  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS
    SULFUR OXIDES
    HYDROGEN SULFIDE GAS
  HAZARDOUS POLYMERIZATION
    WILL NOT OCCUR.
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -
  ACUTE EFFECTS
    CAUSES BURNS.
    MAY BE HARMFUL IF ABSORBED THROUGH THE SKIN.
    MATERIAL IS EXTREMELY DESTRUCTIVE TO THE TISSUE OF THE MUCOUS MEMBRANES
    AND UPPER RESPIRATORY TRACT.
    TOXIC IF INHALED.
    MAY BE HARMFUL IF SWALLOWED.
    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.
    TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
  CHRONIC EFFECTS
    THE INTERNATIONAL AGENCY FOR RESEARCH ON CANCER (IARC) HAS DETERMINED
    THAT OCCUPATIONAL EXPOSURE TO STRONG-INORGANIC-ACID MISTS CONTAINING
    SULFURIC ACID IS CARCINOGENIC TO HUMANS (GROUP 1).
    TARGET ORGAN(S):
    TEETH
    CARDIOVASCULAR SYSTEM
  RTECS #: WS5600000
    SULFURIC ACID
  IRRITATION DATA
    EYE-RBT 250 UG SEV                            AJOPAA 29,1363,1946
    EYE-RBT 5 MG/30S RINSE SEV                    TXCYAC 23,281,1982
  TOXICITY DATA
    UNR-MAN LDLO:135 MG/KG                        85DCAI 2,73,1970
    ORL-RAT LD50:2140 MG/KG                       AIHAAP 30,470,1969
    IHL-RAT LC50:510 MG/M3/2H                     85GMAT -,107,1982
    IHL-MUS LC50:320 MG/M3/2H                     85GMAT -,107,1982
    IHL-GPG LC50:18 MG/M3                         MELAAD 45,590,1954
    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.
    CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL SERVICE TO DISPOSE OF
    THIS MATERIAL.
    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
    EC INDEX NO:     016-020-00-8
    TOXIC
    R 35
    CAUSES SEVERE BURNS.
    S 26
    IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
    WATER AND SEEK MEDICAL ADVICE.
    S 30
    NEVER ADD WATER TO THIS PRODUCT.
    S 45
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
  REVIEWS, STANDARDS, AND REGULATIONS
    OEL=MAK
    ACGIH TLV-SUSPECTED HUMAN CARCINOGEN          DTLVS* TLV/BEI,1999
    ACGIH TLV-STEL 3 MG/M3                        DTLVS* TLV/BEI,1999
    ACGIH TLV-TWA 1 MG/M3                         DTLVS* TLV/BEI,1999
    IARC CANCER REVIEW:HUMAN SUFFICIENT EVIDENCE  IMEMDT 54,41,1992
    IARC CANCER REVIEW:GROUP 1                    IMEMDT 54,41,1992
    EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
     FEREAC 54,7740,1989
    MSHA STANDARD-AIR:TWA 1 MG/M3
     DTLVS* 3,239,1971
    OSHA PEL (GEN INDU):8H TWA 1 MG/M3
     CFRGBR 29,1910.1000,1994
    OSHA PEL (CONSTRUC):8H TWA 1 MG/M3
     CFRGBR 29,1926.55,1994
    OSHA PEL (SHIPYARD):8H TWA 1 MG/M3
     CFRGBR 29,1915.1000,1993
    OSHA PEL (FED CONT):8H TWA 1 MG/M3
     CFRGBR 41,50-204.50,1994
    OEL-ARAB REPUBLIC OF EGYPT: TWA 1 MG/M3, JAN1993
    OEL-AUSTRALIA: TWA 1 MG/M3, JAN1993
    OEL-AUSTRIA: MAK 1 MG/M3, JAN1999
    OEL-BELGIUM: TWA 1 MG/M3, STEL 3 MG/M3, JAN1993
    OEL-DENMARK: TWA 1 MG/M3, JAN1999
    OEL-FINLAND: TWA 1 MG/M3, STEL 3 MG/M3, SKIN, JAN1999
    OEL-FRANCE: VME 1 MG/M3, VLE 3 MG/M3, JAN1999
    OEL-GERMANY: MAK 1 MG/M3, JAN1999
    OEL-HUNGARY: STEL 1 MG/M3, JAN1993
    OEL-JAPAN: OEL 1 MG/M3, JAN1999
    OEL-THE NETHERLANDS: MAC-TGG 1 MG/M3, JAN1999
    OEL-NORWAY: TWA 1 MG/M3, JAN1999
    OEL-POLAND: MAC(TWA) 1 MG/M3, MAC(STEL) 3 MG/M3, JAN1999
    OEL-RUSSIA: STEL 1 MG/M3, SKIN, JAN1993
    OEL-SWEDEN: NGV 1 MG/M3, TKV 3 MG/M3, JAN1999
    OEL-SWITZERLAND: MAK-W 1 MG/M3, KZG-W 2 MG/M3, JAN1999
    OEL-THAILAND: TWA 1 MG/M3, JAN1993
    OEL-TURKEY: TWA 1 MG/M3, JAN1993
    OEL-UNITED KINGDOM: TWA 1 MG/M3, SEP2000
    OEL IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV;
    OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV
    NIOSH REL TO SULFURIC ACID-AIR:10H TWA 1 MG/M3
     NIOSH* DHHS #92-100,1992
    NOHS 1974: HZD 70870; NIS 313; TNF 54746; NOS 143; TNE 499446
    NOES 1983: HZD 70870; NIS 300; TNF 54516; NOS 182; TNE 775587; TFE
     173653
    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY
    EPA TSCA SECTION 8(D) UNPUBLISHED HEALTH/SAFETY STUDIES
    EPA TSCA SECTION 8(E) RISK NOTIFICATION, 8EHQ-0892-9247;8EHQ-0892-9248
    EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
    NIOSH ANALYTICAL METHOD, 1994: ACIDS, INORGANIC, 7903
    NTP 9TH REPORT ON CARCINOGENS, 2000:KNOWN TO BE HUMAN CARCINOGEN
    OSHA ANALYTICAL METHOD #ID-113
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.
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    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY