毒理学数据:
口服有害。对眼睛、呼吸系统及皮肤有刺激性。对机体有不可逆损伤的可能性。雄、雌小鼠经口LD50为450mg/kg、900mg/kg。
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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PA5310000
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CHEMICAL NAME :
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Methane, bromodichloro-
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CAS REGISTRY NUMBER :
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75-27-4
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BEILSTEIN REFERENCE NO. :
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1697005
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LAST UPDATED :
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199806
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DATA ITEMS CITED :
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37
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MOLECULAR FORMULA :
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C-H-Br-Cl2
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MOLECULAR WEIGHT :
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163.83
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WISWESSER LINE NOTATION :
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GYGE
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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430 mg/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Behavioral - tremor Liver - other changes
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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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450 mg/kg
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TOXIC EFFECTS :
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Brain and Coverings - changes in circulation (hemorrhage, thrombosis, etc.) Liver - fatty liver degeneration Blood - hemorrhage
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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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750 mg/kg/5D-I
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TOXIC EFFECTS :
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Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.)
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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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5670 mg/kg/4W-C
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TOXIC EFFECTS :
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Liver - changes in liver weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain
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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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19500 mg/kg/13W-I
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TOXIC EFFECTS :
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Related to Chronic Data - death
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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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9828 mg/kg/9W-I
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TOXIC EFFECTS :
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Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
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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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20075 mg/kg/2Y-C
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TOXIC EFFECTS :
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Liver - fatty liver degeneration Liver - other changes Liver - changes in liver weight
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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 - mouse
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DOSE/DURATION :
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3500 mg/kg/14D-I
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TOXIC EFFECTS :
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Liver - changes in liver weight Endocrine - changes in spleen weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
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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 - mouse
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DOSE/DURATION :
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750 mg/kg/5D-I
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TOXIC EFFECTS :
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Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
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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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25500 mg/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Kidney, Ureter, Bladder - Kidney tumors
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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 - mouse
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DOSE/DURATION :
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25500 mg/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors
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TYPE OF TEST :
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TD - Toxic dose (other than lowest)
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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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51 gm/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Kidney, Ureter, Bladder - Kidney tumors
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TYPE OF TEST :
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TD - Toxic dose (other than lowest)
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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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38250 mg/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors
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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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DOSE :
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750 mg/kg
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SEX/DURATION :
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female 6-15 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
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TYPE OF TEST :
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Cytogenetic analysis
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TYPE OF TEST :
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Sister chromatid exchange
MUTATION DATA
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TYPE OF TEST :
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Cytogenetic analysis
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TEST SYSTEM :
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Rodent - hamster Lung
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DOSE/DURATION :
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10 umol/L
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REFERENCE :
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TECSDY Toxicological and Environmental Chemistry. (Gordon & Breach Science Pub. Inc., 1 Park Ave., New York, NY 10016) V.3(3/4)- 1981- Volume(issue)/page/year: 13,205,1987 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 52,179,1991 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 52,179,1991 IARC Cancer Review:Group 2B IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 52,179,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5772 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 3266 (estimated) No. of Female Employees: 502 (estimated)
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