CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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NI3950000
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CHEMICAL NAME :
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Imidazole-4-carboxamide, 5-(3,3-dimethyl-1-triazeno)-
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CAS REGISTRY NUMBER :
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4342-03-4
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LAST UPDATED :
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199709
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DATA ITEMS CITED :
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46
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MOLECULAR FORMULA :
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C6-H10-N6-O
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MOLECULAR WEIGHT :
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182.22
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WISWESSER LINE NOTATION :
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T5M CNJ DVZ ENUNN1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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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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Intravenous
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SPECIES OBSERVED :
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Human
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DOSE/DURATION :
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3500 ug/kg
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TOXIC EFFECTS :
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Gastrointestinal - nausea or vomiting Blood - leukopenia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases
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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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2147 mg/kg
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TOXIC EFFECTS :
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Behavioral - changes in motor activity (specific assay) Behavioral - antipsychotic
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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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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350 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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Rodent - rat
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DOSE/DURATION :
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411 mg/kg
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TOXIC EFFECTS :
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Behavioral - changes in motor activity (specific assay) Behavioral - antipsychotic
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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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2032 mg/kg
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TOXIC EFFECTS :
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Behavioral - changes in motor activity (specific assay) Behavioral - antipsychotic
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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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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567 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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Rodent - mouse
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DOSE/DURATION :
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466 mg/kg
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TOXIC EFFECTS :
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Behavioral - changes in motor activity (specific assay) Behavioral - antipsychotic
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TYPE OF TEST :
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LD10 - Lethal Dose
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ROUTE OF EXPOSURE :
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Parenteral
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SPECIES OBSERVED :
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Rodent - hamster
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DOSE/DURATION :
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250 mg/kg
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TOXIC EFFECTS :
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Tumorigenic - active as anti-cancer agent
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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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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1568 mg/kg/14D-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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1730 mg/kg/15W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Blood - lymphoma, including Hodgkin's disease Skin and Appendages - 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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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25 mg/kg female 20 day(s) after conception
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TOXIC EFFECTS :
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Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - 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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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3900 mg/kg/26W-I
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Blood - lymphoma, including Hodgkin's disease Skin and Appendages - 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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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1950 mg/kg/26W-I
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Blood - lymphoma, including Hodgkin's disease
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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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3700 mg/kg/14W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Blood - lymphoma, including Hodgkin's disease Skin and Appendages - 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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Intraperitoneal
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DOSE :
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50 mg/kg
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SEX/DURATION :
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female 12 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
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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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Intraperitoneal
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DOSE :
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200 mg/kg
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SEX/DURATION :
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female 12 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Specific Developmental Abnormalities - urogenital system
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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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Intraperitoneal
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DOSE :
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100 mg/kg
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SEX/DURATION :
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female 12 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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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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Intraperitoneal
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DOSE :
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400 mg/kg
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SEX/DURATION :
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female 12 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
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TYPE OF TEST :
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Sex chromosome loss and nondisjunction
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TYPE OF TEST :
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DNA damage
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TYPE OF TEST :
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DNA inhibition
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TYPE OF TEST :
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Micronucleus test
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TYPE OF TEST :
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Mutation test systems - not otherwise specified
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TYPE OF TEST :
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Cytogenetic analysis
MUTATION DATA
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TYPE OF TEST :
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Mutation in mammalian somatic cells
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TEST SYSTEM :
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Rodent - hamster Ovary
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DOSE/DURATION :
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400 mg/L
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REFERENCE :
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CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 43,577,1983 *** 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: 26,203,1981 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: 26,203,1981 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,184,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3246 No. of Facilities: 412 (estimated) No. of Industries: 1 No. of Occupations: 9 No. of Employees: 17273 (estimated) No. of Female Employees: 12863 (estimated)
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