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                                    CHEMICAL IDENTIFICATION
 
  RTECS NUMBER :
 
  QE2150000
  
 
  CHEMICAL NAME :
 
  Morpholine, 2,6-dimethyl-N-nitroso-
  
 
  CAS REGISTRY NUMBER :
 
  1456-28-6
  
 
  LAST UPDATED :
 
  199512
  
 
  DATA ITEMS CITED :
 
  26
  
 
  MOLECULAR FORMULA :
 
  C6-H12-N2-O2
  
 
  MOLECULAR WEIGHT :
 
  144.20
  
 
  WISWESSER LINE NOTATION :
 
  T6N DOTJ ANO C1 E1
  HEALTH HAZARD DATAACUTE TOXICITY DATA
 
  TYPE OF TEST :
 
  LD50 - Lethal dose, 50 percent kill
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  387 mg/kg
  
 
  TOXIC EFFECTS :
 
  Details of toxic effects not reported other than lethal dose value
  
 
  TYPE OF TEST :
 
  LD50 - Lethal dose, 50 percent kill
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - guinea pig
  
 
  DOSE/DURATION :
 
  280 mg/kg
  
 
  TOXIC EFFECTS :
 
  Liver - other changes Lungs, Thorax, or Respiration - chronic pulmonary edema Gastrointestinal - ulceration or bleeding from stomach
  
 
  TYPE OF TEST :
 
  LD50 - Lethal dose, 50 percent kill
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  367 mg/kg
  
 
  TOXIC EFFECTS :
 
  Details of toxic effects not reported other than lethal dose value
  
 
  TYPE OF TEST :
 
  LD50 - Lethal dose, 50 percent kill
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  320 mg/kg
  
 
  TOXIC EFFECTS :
 
  Details of toxic effects not reported other than lethal dose value
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  135 mg/kg/30W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Intraperitoneal
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  75 mg/kg
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Endocrine - thyroid tumors
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  1684 mg/kg/18W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - guinea pig
  
 
  DOSE/DURATION :
 
  960 mg/kg/12W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Liver - angiosarcoma
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  819 mg/kg/45W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TDLo - Lowest published toxic dose
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  2040 mg/kg/24W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Lungs, Thorax, or Respiration - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  937 mg/kg/51W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  2025 mg/kg/30W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - guinea pig
  
 
  DOSE/DURATION :
 
  400 mg/kg/23W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - Carcinogenic by RTECS criteria Liver - fatty liver degeneration Liver - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  300 mg/kg/30W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Sense Organs and Special Senses (Olfaction) - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  300 mg/kg/30W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  1198 mg/kg/20W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - rat
  
 
  DOSE/DURATION :
 
  400 mg/kg/5W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  644 mg/kg/35W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Oral
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  1073 mg/kg/29W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - neoplastic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors
  
 
  TYPE OF TEST :
 
  TD - Toxic dose (other than lowest)
  
 
  ROUTE OF EXPOSURE :
 
  Subcutaneous
  
 
  SPECIES OBSERVED :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  1200 mg/kg/15W-I
  
 
  TOXIC EFFECTS :
 
  Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
  MUTATION DATA
 
  TEST SYSTEM :
 
  Rodent - hamster
  
 
  DOSE/DURATION :
 
  144 mg/kg
  
 
  REFERENCE :
 
  CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 8,1033,1987 *** REVIEWS *** TOXICOLOGY REVIEW APLMAS Archives of Pathology and Laboratory Medicine. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1-5(2), 1926-28; V.100- 1976- Volume(issue)/page/year: 107,54,1983
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