Product Number:  244279
Product Name:  Hydrofluoric acid, 48%, A.C.S. reagent
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Valid 11/2001 - 01/2002

Aldrich Chemical Co., Inc.
1001 West St. Paul
Milwaukee, WI 53233 USA
Phone: 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 #:            244279
    NAME:                 HYDROFLUORIC ACID, 48%, A.C.S. REAGENT
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
    CAS #:NONE
    MF: HF
    EC NO:  231-634-8
  SYNONYMS
    ACIDE FLUORHYDRIQUE (FRENCH) * ACIDO FLUORIDRICO (ITALIAN) *
    FLUOROWODOR (POLISH) * FLUORWASSERSTOFF (GERMAN) * FLUORWATERSTOF
    (DUTCH) * HYDROFLUORIDE * HYDROGEN FLUORIDE (ACGIH:OSHA) * RCRA WASTE
    NUMBER U134 * RUBIGINE *
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -
  LABEL PRECAUTIONARY STATEMENTS
    HIGHLY TOXIC (USA)
    VERY TOXIC (EU)
    VERY TOXIC BY INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED.
    CAUSES SEVERE BURNS.
    TARGET ORGAN(S):
    LIVER
    KIDNEYS
    KEEP CONTAINER TIGHTLY CLOSED AND IN WELL-VENTILATED PLACE.
    IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
    WATER AND SEEK MEDICAL ADVICE.
    WEAR SUITABLE PROTECTIVE CLOTHING AND GLOVES.
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -
    HYDROFLUORIC (HF) ACID BURNS REQUIRE IMMEDIATE AND SPECIALIZED FIRST
    AID AND MEDICAL TREATMENT. SYMPTOMS MAY BE DELAYED UP TO 24 HOURS
    DEPENDING ON THE CONCENTRATION OF HF. AFTER DECONTAMINATION WITH WATER,
    FURTHER DAMAGE CAN OCCUR DUE TO PENETRATION/ABSORPTION OF THE FLUORIDE
    ION. TREATMENT SHOULD BE DIRECTED TOWARD BINDING THE FLUORIDE ION AS
    WELL AS THE EFFECTS OF EXPOSURE. SKIN EXPOSURES CAN BE TREATED WITH A
    2.5% CALCIUM GLUCONATE GEL REPEATED UNTIL BURNING CEASES. MORE SERIOUS
    SKIN EXPOSURES MAY REQUIRE SUBCUTANEOUS CALCIUM GLUCONATE EXCEPT FOR
    DIGITAL AREAS UNLESS THE PHYSICIAN IS EXPERIENCED IN THIS TECHNIQUE,
    DUE TO THE POTENTIAL FOR TISSUE INJURY FROM INCREASED PRESSURE.
    ABSORPTION CAN READILY OCCUR THROUGH THE SUBUNGUAL AREAS AND SHOULD BE
    CONSIDERED WHEN UNDERGOING DECONTAMINATION. PREVENTION OF ABSORPTION
    OF THE FLUORIDE ION IN CASES OF INGESTION CAN BE OBTAINED BY GIVING
    MILK, CHEWABLE CALCIUM CARBONATE TABLETS OR MILK OF MAGNESIA TO
    CONSCIOUS VICTIMS. CONDITIONS SUCH AS HYPOCALCEMIA, HYPOMAGNESEMIA AND
    CARDIAC ARRHYTHMIAS SHOULD BE MONITORED FOR, SINCE THEY CAN OCCUR AFTER
    EXPOSURE.
    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.
    CALL A PHYSICIAN IMMEDIATELY.
    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
    DRY CHEMICAL POWDER.
  SPECIAL FIREFIGHTING PROCEDURES
    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO
    PREVENT CONTACT WITH SKIN AND EYES.
  UNUSUAL FIRE AND EXPLOSIONS HAZARDS
    CONTAINER EXPLOSION MAY OCCUR UNDER FIRE CONDITIONS.
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
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- - - - - -
    DO NOT STORE IN GLASS.
    GLASS
    USE ONLY IN A CHEMICAL FUME HOOD.
    SAFETY SHOWER AND EYE BATH.
    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
    COLORLESS LIQUID
  PHYSICAL PROPERTIES
    FLASHPOINT               NONE
    VAPOR PRESSURE:      25MM 20 C
    SPECIFIC GRAVITY:     1.150
    VAPOR DENSITY:     1.27
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
  STABILITY
    STABLE.
  INCOMPATIBILITIES
    SENSITIVE TO LIGHT
    STRONG OXIDIZING AGENTS
  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS
    CARBON MONOXIDE, CARBON DIOXIDE
  HAZARDOUS POLYMERIZATION
    WILL NOT OCCUR.
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -
  ACUTE EFFECTS
    CAUSES BURNS.
    TOXIC IF ABSORBED THROUGH SKIN.
    TOXIC IF INHALED.
    MATERIAL IS EXTREMELY DESTRUCTIVE TO THE TISSUE OF THE MUCOUS MEMBRANES
    AND UPPER RESPIRATORY TRACT.
    TOXIC IF SWALLOWED.
    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.
    MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES
    AND UPPER RESPIRATORY TRACT, EYES AND SKIN.
    TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
  CHRONIC EFFECTS
    TARGET ORGAN(S):
    KIDNEYS
    LIVER
    CENTRAL NERVOUS SYSTEM
    LABORATORY EXPERIMENTS HAVE SHOWN MUTAGENIC EFFECTS.
  RTECS #: MW7875000
    HYDROFLUORIC ACID
  IRRITATION DATA
    EYE-HMN 50 MG SEV                             AMLTAS 37,110,1957
  TOXICITY DATA
    IHL-HMN LCLO:50 PPM/30M                       34ZIAG -,318,1969
    IHL-RAT LC50:1276 PPM/1H                      AIHAAP 33,661,1972
    IHL-MUS LC50:342 PPM/1H                       JCTODH 3,61,1976
    IHL-MKY LC50:1774 PPM/1H                      AMRL** TR-70-77,1970
    IHL-GPG LC50:4327 PPM/15M                     AIHAAP 24,253,1963
  TARGET ORGAN DATA
    PERIPHERAL NERVE AND SENSATION (SPASTIC PARALYSIS WITH/WITHOUT SENSORY CH
    SENSE ORGANS AND SPECIAL SENSES (LACRIMATION)
    SENSE ORGANS AND SPECIAL SENSES (CORNEAL DAMAGE)
    SENSE ORGANS AND SPECIAL SENSES (OTHER EYE EFFECTS)
    BEHAVIORAL (TREMOR)
    BEHAVIORAL (CHANGE IN MOTOR ACTIVITY)
    BEHAVIORAL (COMA)
    CARDIAC (ARRYTHMIAS)
    VASCULAR (BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION)
    LUNGS, THORAX OR RESPIRATION (DYSPNAE)
    LUNGS, THORAX OR RESPIRATION (CYANOSIS)
    LUNGS, THORAX OR RESPIRATION (RESPIRATORY DEPRESSION)
    GASTROINTESTINAL (CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS)
    GASTROINTESTINAL (OTHER CHANGES)
    KIDNEY, URETER, BLADDER (CHANGES IN TUBULES)
    EFFECTS ON FERTILITY (PRE-IMPLANTATION MORTALITY)
    EFFECTS ON FERTILITY (POST-IMPLANTATION MORTALITY)
    EFFECTS ON EMBRYO OR FETUS (FETAL DEATH)
    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 - - - - - - - - -
    CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL SERVICE TO DISPOSE OF
    THIS MATERIAL.
    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
    EC INDEX NO:     009-003-00-1
    VERY TOXIC
    R 26/27/28
    VERY TOXIC BY INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED.
    R 35
    CAUSES SEVERE BURNS.
    S 7/9
    KEEP CONTAINER TIGHTLY CLOSED AND IN WELL-VENTILATED PLACE.
    S 26
    IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
    WATER AND SEEK MEDICAL ADVICE.
    S 36/37
    WEAR SUITABLE PROTECTIVE CLOTHING AND GLOVES.
    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-CL 3 PPM                            DTLVS* TLV/BEI,1999
    MSHA STANDARD-AIR:TWA 3 PPM (2 MG/M3)
     DTLVS* 3,131,1971
    OSHA PEL (GEN INDU):8H TWA 3 PPM
     CFRGBR 29,1910.1000,1994
    OSHA PEL (CONSTRUC):8H TWA 3 PPM (2 MG(F)/M3)
     CFRGBR 29,1926.55,1994
    OSHA PEL (SHIPYARD):8H TWA 3 PPM (2 MG(F)/M3)
     CFRGBR 29,1915.1000,1993
    OSHA PEL (FED CONT):8H TWA 3 PPM (2 MG/M3)
     CFRGBR 41,50-204.50,1994
    OEL-ARAB REPUBLIC OF EGYPT: TWA 2 PPM (2 MG/M3), JAN1993
    OEL-AUSTRALIA: TWA 3 PPM (2.5 MG/M3), JAN1993
    OEL-AUSTRIA: MAK 3 PPM (2.5 MG/M3, JAN1999
    OEL-BELGIUM: STEL 3 PPM (2.6 MG/M3), JAN1993
    OEL-DENMARK: TWA 2 PPM (1.6 MG/M3), JAN1999
    OEL-FINLAND: CEILING 3 PPM, SKIN, JAN1999
    OEL-FRANCE: VLE 3 PPM (2.5 MG/M3), JAN1999
    OEL-GERMANY: MAK 3 PPM (2 MG/M3), JAN1999
    OEL-HUNGARY: TWA 0.5 MG/M3, STEL 1 MG/M3, JAN1993
    OEL-JAPAN: OEL 3 PPM (2.5 MG/M3), JAN1999
    OEL-THE NETHERLANDS: MAC-K 3.3 PPM (2.5 MG(F)/M3), JAN1999
    OEL-NORWAY: TWA 0.8 PPM (0.6 MG/M3), JAN1999
    OEL-THE PHILIPPINES: TWA 3 PPM (2 MG/M3), JAN1993
    OEL-POLAND: MAC(TWA) 0.5 MG/M3, MAC(STEL) 4 MG/M3, JAN1999
    OEL-RUSSIA: TWA 3 PPM (0.1 MG/M3), STEL 0.5 MG/M3, JAN1993
    OEL-SWEDEN: CEILING 2 PPM (1.7 MG/M3), JAN1999
    OEL-SWITZERLAND: MAK-W 1.8 PPM (1.5 MG/M3), KZG-W 3.6 PPM (3.0 MG/M3),
     JAN1999
    OEL-TURKEY: TWA 3 PPM (2 MG/M3), JAN1993
    OEL-UNITED KINGDOM: STEL 3 PPM (2.5 MG(F)/M3, SEP2000
    OEL IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV;
    OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV
    NIOSH REL TO HYDROGEN FLUORIDE-AIR:10H TWA 3 PPM;STEL 6 PPM
     NIOSH* DHHS #92-100,1992
    NOHS 1974: HZD 38550; NIS 97; TNF 6590; NOS 68; TNE 68886
    NOES 1983: HZD 38550; NIS 96; TNF 11332; NOS 89; TNE 189051; TFE 68792
    EPA GENETOX PROGRAM 1988, POSITIVE: D MELANOGASTER SEX-LINKED LETHAL
    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY
    EPA TSCA SECTION 8(D) UNPUBLISHED HEALTH/SAFETY STUDIES
    ON EPA IRIS DATABASE
    EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
    NIOSH ANALYTICAL METHOD, 1994: ACIDS, INORGANIC, 7903
  U.S. INFORMATION
    48.0% HYDROGEN FLUORIDE  7664-39-3
    THIS PRODUCT IS SUBJECT TO SARA SECTION 313 REPORTING REQUIREMENTS.
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 2001 SIGMA-ALDRICH CO.
    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY