1-butan-2-yl-1-nitrosourea
Names
[ CAS No. ]:
71752-66-4
[ Name ]:
1-butan-2-yl-1-nitrosourea
[Synonym ]:
Urea,1-sec-butyl-1-nitroso
1-sec-Butyl-1-nitrosourea
Nitroso-sec-butylurea
Chemical & Physical Properties
[ Density]:
1.23g/cm3
[ Boiling Point ]:
211ºC at 760 mmHg
[ Molecular Formula ]:
C5H11N3O2
[ Molecular Weight ]:
145.16000
[ Flash Point ]:
81.4ºC
[ Exact Mass ]:
145.08500
[ PSA ]:
76.75000
[ LogP ]:
1.36080
[ Index of Refraction ]:
1.519
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YS3880000
- CHEMICAL NAME :
- Urea, 1-sec-butyl-1-nitroso-
- CAS REGISTRY NUMBER :
- 71752-66-4
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C5-H11-N3-O2
- MOLECULAR WEIGHT :
- 145.19
- WISWESSER LINE NOTATION :
- ZVNNO&Y2&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 585 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Salmonella typhimurium
- DOSE/DURATION :
- 500 ug/plate
- REFERENCE :
- TCMUE9 Topics in Chemical Mutagenesis. (Plenum Pub. Corp., 233 Spring Street, New York, NY 10013) V.1- 1984- Volume(issue)/page/year: 1,13,1984