CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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LQ8940000
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CHEMICAL NAME :
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Formic acid, methylhydrazide
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CAS REGISTRY NUMBER :
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758-17-8
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LAST UPDATED :
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199612
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DATA ITEMS CITED :
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16
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MOLECULAR FORMULA :
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C2-H6-N2-O
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MOLECULAR WEIGHT :
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74.10
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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Unreported
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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400 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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118 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Liver - other changes Kidney, Ureter, Bladder - other changes
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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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14 mg/kg/62W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors 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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Subcutaneous
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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400 mg/kg/40W-I
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - 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 - hamster
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DOSE/DURATION :
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6100 mg/kg/80W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Kidney, Ureter, Bladder - 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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7840 mg/kg/70W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - 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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3360 mg/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Lungs, Thorax, or Respiration - 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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3158 mg/kg/94W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Lungs, Thorax, or Respiration - 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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3920 mg/kg/2Y-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - 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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Subcutaneous
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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180 mg/kg
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - 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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Subcutaneous
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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100 mg/kg
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - other reproductive system 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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64 mg/kg/80W-C
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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 - mouse
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DOSE/DURATION :
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84 mg/kg/70W-C
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TOXIC EFFECTS :
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Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - 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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187 mg/kg/78W-C
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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 - mouse
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DOSE/DURATION :
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158 mg/kg/79W-C
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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
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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100 umol/plate
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REFERENCE :
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TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 26,155,1983
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