CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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KH7650000
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CHEMICAL NAME :
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Ethane, 1-chloro-1,1-difluoro-
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CAS REGISTRY NUMBER :
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75-68-3
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BEILSTEIN REFERENCE NO. :
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1731584
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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14
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MOLECULAR FORMULA :
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C2-H3-Cl-F2
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MOLECULAR WEIGHT :
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100.50
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WISWESSER LINE NOTATION :
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GXFF
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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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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2050 gm/m3/4H
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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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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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1758 gm/m3/2H
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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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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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500 gm/m3/4H/4W-I
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TOXIC EFFECTS :
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Endocrine - evidence of thyroid hypofunction
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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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10 pph/16H/9D-I
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TOXIC EFFECTS :
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Lungs, Thorax, or Respiration - other changes Related to Chronic Data - death
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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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1000 ppm/6H
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SEX/DURATION :
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female 3-15 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
MUTATION DATA
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TYPE OF TEST :
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Mutation in microorganisms
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TEST SYSTEM :
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Bacteria - Salmonella typhimurium
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DOSE/DURATION :
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50 pph/24H
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REFERENCE :
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TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 72,15,1984 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY:TWA 1000 ppm (4170 mg/m3) JAN 1993 OEL-HUNGARY:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993 OEL-RUSSIA:STEL 3000 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82201 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 357 (estimated)
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