*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : MW7875000
CHEMICAL NAME           : Hydrofluoric acid
CAS REGISTRY NUMBER     : 7664-39-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 54
MOLECULAR FORMULA       : F-H
MOLECULAR WEIGHT        : 20.01
WISWESSER LINE NOTATION :   H  F
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
                          Human
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Acide fluorhydrique
   * Acido fluoridrico
   * Fluorowodor
   * Fluorwasserstoff
   * Fluorwaterstof
   * Hydrofluoride
   * Hydrogen fluoride
   * RCRA waste number U134
   * Rubigine
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Human
DOSE/DURATION           : 50 mg
REACTION SEVERITY       : Severe
REFERENCE :
   AMLTAS Annales de Medecine Legale et de Criminologie.  (Paris, France)
   V.31-38, 1951-58.  For publisher information, see MLDCAS.
   Volume(issue)/page/year: 37,110,1957
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 100 mg/m3/1M
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - conjunctive irritation
   Lungs, Thorax, or Respiration - cough
REFERENCE :
   JIDHAN Journal of Industrial Hygiene.  (Cambridge, MA)  V.1-17, 1919-35. For
   publisher information, see AEHLAU.  Volume(issue)/page/year: 16,129,1934
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 143 mg/kg
TOXIC EFFECTS :
   Cardiac - arrhythmias (including changes in conduction)
   Vascular - BP lowering not characterized in autonomic section
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   JTCTDW Journal of Toxicology, Clinical Toxicology.  (Marcel Dekker, 270
   Madison Ave., New York, NY 10016)  V.19-    1982-  Volume(issue)/page/year:
   35,307,1997
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 50 ppm/30M
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,318,1969
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1276 ppm/1H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - changes in motor activity (specific assay)
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   33,661,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 25 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   13,76,1968
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 342 ppm/1H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - corneal damage
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   JCTODH Journal of Combustion Toxicology.  (Westport, CT)  V.3-9, 1976-82.
   Volume(issue)/page/year: 3,61,1976
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
   Behavioral - tremor
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   SAIGBL Sangyo Igaku.  Japanese Journal of Industrial Health.  (Nippon Sangyo
   Eisei Igakkai, Kosu Eisei Bldg., 1-29-8, Shinjuku, Shinjuku-ku, Tokyo 160,
   Japan)  V.1-    1959-  Volume(issue)/page/year: 17,281,1975
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 1774 ppm/1H
TOXIC EFFECTS :
   Behavioral - coma
   Lungs, Thorax, or Respiration - cyanosis
   Gastrointestinal - other changes
REFERENCE :
   AMRL** Aerospace Medical Research Laboratory Report.  (Aerospace Technical
   Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
   Volume(issue)/page/year: TR-70-77,1970
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 260 mg/m3/7H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 2,716,1950
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 4327 ppm/15M
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Lungs, Thorax, or Respiration - respiratory depression
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   24,253,1963
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 112 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses
   Filiales.  (SPPIF, B.P.22, F-41353 Vineuil, France)  V.1-    1849-
   Volume(issue)/page/year: 124,133,1937
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 ug/m3/24H/22W-C
TOXIC EFFECTS :
   Behavioral - alteration of classical conditioning
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 30(5),11,1965
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 252 ug/m3/6H/17W-I
TOXIC EFFECTS :
   Blood - changes in erythrocyte (RBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - monoamine oxidase
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - dehydrogenases
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 41(5),6,1976
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 470 ug/m3/4H
SEX/DURATION            : female 1-22 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 19(3),57,1975
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 4980 ug/m3/4H
SEX/DURATION            : female 1-22 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 19(3),57,1975
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA damage
ROUTE OF EXPOSURE       : Inhalation
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 1300 ppb/6W
REFERENCE :
   ATENBP Atmospheric Environment.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1967-  Volume(issue)/page/year:
   5,117,1971
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE       : Inhalation
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 2900 ppb
REFERENCE :
   FLUOA4 Fluoride.  (International Soc. for Fluoride Research, Inc., POB 692,
   Warren, MI 48090) V.3-    1970-  Volume(issue)/page/year: 4,25,1971
 
TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Inhalation
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 1 mg/m3/6H/24D (Intermittent)
REFERENCE :
   CYGEDX Cytology and Genetics (English Translation).  Translation of TGANAK.
   (Allerton Press Inc., 150 Fifth Ave., New York, NY 10011)  V.8-    1974-
   Volume(issue)/page/year: 9(1),40,1975

                              *** REVIEWS ***
 
   ACGIH TLV-CL 2.3 mg/m3 (3 ppm)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   TOXICOLOGY REVIEW
   AMSSAQ Acta Medica Scandinavica, Supplement.  (Almqvist & Wiksell, POB
   45150, S-10430 Stockholm, Sweden)  No.1-730, 1921-88.
   Volume(issue)/page/year: 400,5,1963

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 3 ppm (2 mg/m3)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   3,131,1971

   OSHA PEL (Gen Indu):8H TWA 3 ppm
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 3 ppm (2 mg(F)/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 3 ppm (2 mg(F)/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 3 ppm (2 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 2 ppm (2 mg/m3) JAN 1993
   
   OEL-AUSTRALIA:TWA 3 ppm (2.5 mg/m3) JAN 1993
   
   OEL-BELGIUM:STEL 3 ppm (2.6 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 2 ppm (1.6 mg/m3) JAN 1993
   
   OEL-FINLAND:STEL 6 ppm;Skin JAN 1993
   
   OEL-FRANCE:STEL 3 ppm (2.5 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 3 ppm (2 mg/m3) JAN 1993
   
   OEL-HUNGARY:TWA 0.5 mg/m3;STEL 1 mg/m3 JAN 1993
   
   OEL-JAPAN:TWA 3 ppm (25 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 3 ppm (2 mg/m3) JAN 1993
   
   OEL-THE PHILIPPINES:TWA 3 ppm (2 mg/m3) JAN 1993
   
   OEL-POLAND:TWA 0.5 mg/m3 JAN 1993
   
   OEL-RUSSIA:TWA 3 ppm (0.1 mg/m3);STEL 0.5 mg/m3 JAN 1993
   
   OEL-SWEDEN:STEL 2 ppm (1.7 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 1.8 ppm (1.5 mg/m3);STEL 3.6 ppm (3 mg/m3) JAN 1993
   
   OEL-TURKEY:TWA 3 ppm (2 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 3 ppm (2.5 mg/m3);STEL 6 ppm (5 mg/m3) JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO HYDROGEN FLUORIDE-air:10H TWA 3 ppm;STEL 6 ppm
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 38550
       No. of Facilities: 6590 (estimated)
       No. of Industries: 97
       No. of Occupations: 68
       No. of Employees: 68886 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 38550
       No. of Facilities: 11332 (estimated)
       No. of Industries: 96
       No. of Occupations: 89
       No. of Employees: 189051 (estimated)
       No. of Female Employees: 68792 (estimated)

                          *** STATUS IN U.S. ***
 
   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, JUNE 1998
   
   NIOSH Analytical Method, 1994: Acids, inorganic, 7903

 
                            *** END OF RECORD ***