Morpholine,2,6-dimethyl-4-nitroso-

MOLECULAR FORMULA :

C6-H12-N2-O2

MOLECULAR WEIGHT :

144.20

WISWESSER LINE NOTATION :

T6N DOTJ ANO C1 E1

HEALTH HAZARD DATA

ACUTE 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