CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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YO7875000
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CHEMICAL NAME :
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Tungstic acid, disodium salt
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CAS REGISTRY NUMBER :
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13472-45-2
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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34
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MOLECULAR FORMULA :
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O4-W.2Na
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MOLECULAR WEIGHT :
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293.83
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WISWESSER LINE NOTATION :
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NA2 WO-O4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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1190 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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240 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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240 mg/kg
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TOXIC EFFECTS :
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Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - excitement Behavioral - muscle weakness
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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140 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intravenous
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SPECIES OBSERVED :
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Mammal - cat
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DOSE/DURATION :
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139 mg/kg
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TOXIC EFFECTS :
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Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - respiratory depression
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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875 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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78 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intramuscular
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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105 mg/kg
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TOXIC EFFECTS :
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Behavioral - convulsions or effect on seizure threshold Behavioral - food intake (animal) Gastrointestinal - hypermotility, diarrhea
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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1152 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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810 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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106 mg/kg/30W-I
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TOXIC EFFECTS :
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Behavioral - alteration of classical conditioning
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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504 ug/m3/24H/17W-C
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TOXIC EFFECTS :
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Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Metabolism (Intermediary) - other proteins
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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1214 mg/kg/35W-I
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TOXIC EFFECTS :
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Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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504 ug/m3/24H
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SEX/DURATION :
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male 17 week(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
MUTATION DATA
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TYPE OF TEST :
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Sex chromosome loss and nondisjunction
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TEST SYSTEM :
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Yeast - Saccharomyces cerevisiae
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REFERENCE :
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MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 1,21,1986 *** REVIEWS *** ACGIH TLV-TWA 5 mg(W)/m3; STEL 10 mg(W)/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: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 5 mg(W)/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: 3,272,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993 OEL-DENMARK:TWA 5 mg(W)/m3 JAN 1993 OEL-FINLAND:TWA 5 mg(W)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg(W)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 1 mg(W)/m3 JAN 1993 OEL-SWEDEN:TWA 5 mg(W)/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg(W)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg(W)/m3;STEL 10 mg(W)/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 TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/m3 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 : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84829 No. of Facilities: 895 (estimated) No. of Industries: 13 No. of Occupations: 20 No. of Employees: 15470 (estimated) No. of Female Employees: 8875 (estimated)
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