Urea,N-nitroso-N-propyl-
Names
[ CAS No. ]:
816-57-9
[ Name ]:
Urea,N-nitroso-N-propyl-
[Synonym ]:
UREA,N-NITROSO-N-PROPYL
1-Propyl-1-nitrosourea
N-Propylnitrosourea
Nitrosopropylurea
N-Nitroso-N-propylurea
Urea,1-nitroso-1-propyl
N-Nitrosopropylurea
Propylnitrosourea
1-nitroso-1-propyl-urea
N-Propyl-N-nitrosourea
Chemical & Physical Properties
[ Density]:
1.27g/cm3
[ Boiling Point ]:
200.3ºC at 760 mmHg
[ Molecular Formula ]:
C4H9N3O2
[ Molecular Weight ]:
131.13300
[ Flash Point ]:
74.9ºC
[ Exact Mass ]:
131.06900
[ PSA ]:
75.76000
[ LogP ]:
1.15880
[ Index of Refraction ]:
1.524
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YT9740000
- CHEMICAL NAME :
- Urea, N-nitroso-N-propyl-
- CAS REGISTRY NUMBER :
- 816-57-9
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 34
- MOLECULAR FORMULA :
- C4-H9-N3-O2
- MOLECULAR WEIGHT :
- 131.16
- WISWESSER LINE NOTATION :
- ZVN3&NO
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 480 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1375 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1190 mg/kg/5D-I
- TOXIC EFFECTS :
- Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 mg/kg female 19 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 200 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Reproductive - Tumorigenic effects - ovarian tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 400 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 525 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - hamster
- DOSE/DURATION :
- 3024 mg/kg/36W-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Blood - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2080 mg/kg/1Y-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - hamster
- DOSE/DURATION :
- 7728 mg/kg/23W-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Blood - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 689 mg/kg/25W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - colon tumors Endocrine - thyroid tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1054 mg/kg/30W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - colon tumors Endocrine - thyroid tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 420 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Peripheral Nerve and Sensation - structural change in nerve or sheath Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Cardiac - tumors Gastrointestinal - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 525 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 10920 mg/kg/39W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - lymphoma, including Hodgkin's disease
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1969 mg/kg/35W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Blood - leukemia
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3 gm/kg/10W-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors Blood - lymphoma, including Hodgkin's disease
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 80 mg/kg
- SEX/DURATION :
- female 9 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - eye/ear
- TYPE OF TEST :
- Micronucleus test
- TYPE OF TEST :
- Micronucleus test
- TYPE OF TEST :
- Specific locus test
MUTATION DATA
- TYPE OF TEST :
- DNA damage
- TEST SYSTEM :
- Mammal - species unspecified Lymphocyte
- DOSE/DURATION :
- 500 umol/L
- REFERENCE :
- CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 4,1455,1983