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| CAS No.: | 869-01-2 |
|---|---|
| Name: | 1-BUTYL-1-NITROSOUREA |
| Article Data: | 5 |
| Molecular Structure: | |
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| Formula: | C5H11 N3 O2 |
| Molecular Weight: | 145.161 |
| Synonyms: | Urea,1-butyl-1-nitroso- (7CI,8CI); 1-Butyl-1-nitrosourea; N-Butyl-N-nitrosourea;N-Nitroso-N-butylurea; N-Nitroso-N-n-butylurea; N-n-Butyl-N-nitrosourea; NSC45639 |
| Density: | 1.22g/cm3 |
| Melting Point: | 83.25°C |
| Boiling Point: | 218.9°C at 760 mmHg |
| Flash Point: | 86.2°C |
| Safety: | Suspected carcinogen with experimental carcinogenic and tumorigenic data. A poison by ingestion. Moderately toxic by subcutaneous route. Experimental teratogenic and reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also NITROSAMINES. |
| PSA: | 75.76000 |
| LogP: | 1.54890 |
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Chemistry
The IUPAC name of N-Nitroso-N-butylurea (CAS NO.869-01-2): 1-Butyl-1-nitrosourea
Synonyms: 1-Butyl-1-nitroso-ure ; 1-Nitroso-1-butylurea ; Bnu ; Butylnitrosoharnstoff ; Butylnitrosourea ; n-Butylnitrosourea ; n-Butyl-n-nitrosourea ; n-n-Butyl-n-nitrosourea
CAS: 869-01-2
Molecular Formula: C5H11N3O2
Molecular Structure:
Formula Weight: 145.16 g/mol
Index of Refraction: 1.518
Density: 1.22 g/cm3
Flash Point: 86.2 °C
Boiling Point: 218.9 °C at 760 mmHg
Toxicity Data With Reference
The toxicity of N-Nitroso-N-butylurea (CAS NO.869-01-2):
| 1. | pic-esc 2 mg/L | TCMUE9 Topics in Chemical Mutagenesis. 1 (1984),91. | ||
| 2. | sce-ham:fbr 500 µmol/L | CNREA8 Cancer Research. 44 (1984),3270. | ||
| 3. | orl-rat TDLo:120 mg/kg (22D preg):ETA,TER | ARGEAR Archiv fuer Geschwulstforschung. 48 (1978),9. | ||
| 4. | orl-rat TDLo:16,512 mg/kg/50W-I:CAR,REP | JCROD7 Journal of Cancer Research and Clinical Oncology. 107 (1984),32. | ||
| 5. | ipr-rat TDLo:120 mg/kg (22D preg):ETA,TER | ARGEAR Archiv fuer Geschwulstforschung. 48 (1978),9. | ||
| 6. | orl-rat LD50:400 mg/kg | PPTCBY Proceedings of the International Symposium of the Princess Takamatsu Cancer Research Fund. (Japan Scientific Societies Press, 2-10, Hongo 6-chome, Bunkyo-ku, Tokyo 113, Japan) 2 (1972),73. | ||
| 7. | scu-rat LD50:1200 mg/kg | ZEKBAI Zeitschrift fuer Krebsforschung. 69 (1967),103. |
Consensus Reports
EPA Genetic Toxicology Program.
Safety Profile
The safety information of N-Nitroso-N-butylurea (CAS NO.869-01-2):
Suspected carcinogen with experimental carcinogenic and tumorigenic data. A poison by ingestion. Moderately toxic by subcutaneous route. Experimental teratogenic and reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also NITROSAMINES.