Urea,N-nitroso-N-phenyl-

Modify Date: 2025-08-30 12:28:14

Urea,N-nitroso-N-phenyl- structure	Common Name	Urea,N-nitroso-N-phenyl-
	CAS Number	6268-32-2	Molecular Weight	165.14900
	Density	1.33g/cm3	Boiling Point	284.8ºC at 760 mmHg
	Molecular Formula	C₇H₇N₃O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	126ºC

Name	1-nitroso-1-phenylurea
Synonym	More Synonyms

Density	1.33g/cm3
Boiling Point	284.8ºC at 760 mmHg
Molecular Formula	C₇H₇N₃O₂
Molecular Weight	165.14900
Flash Point	126ºC
Exact Mass	165.05400
PSA	75.76000
LogP	1.95340
Index of Refraction	1.61

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT9730000

CHEMICAL NAME :: Urea, N-nitroso-N-phenyl-

CAS REGISTRY NUMBER :: 6268-32-2

BEILSTEIN REFERENCE NO. :: 1841800

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C7-H7-N3-O2

MOLECULAR WEIGHT :: 165.17

WISWESSER LINE NOTATION :: ZVNR&NO

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 :: 150 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 150 mg/kg

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 661 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 :: 10 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

phenylurea

CAS#:64-10-8

~83%

Urea,N-nitroso-...

CAS#:6268-32-2

Literature: Snyder, John K.; Stock, Leon M. Journal of Organic Chemistry, 1980 , vol. 45, # 5 p. 886 - 891

CAS#:74497-02-2

Urea,N-nitroso-...

CAS#:6268-32-2

Literature: Snyder, John K.; Stock, Leon M. Journal of Organic Chemistry, 1980 , vol. 45, # 5 p. 886 - 891

Hydrochloric acid

CAS#:7647-01-0

phenylurea

CAS#:64-10-8

Urea,N-nitroso-...

CAS#:6268-32-2

Literature: Doht; Haager Monatshefte fuer Chemie, 1903 , vol. 24, p. 844,851,853

phenylurea

CAS#:64-10-8

acetic acid

CAS#:64-19-7

Urea,N-nitroso-...

CAS#:6268-32-2

Literature: Walther; Wlodkowski Journal fuer Praktische Chemie (Leipzig), 1899 , vol. <2> 59, p. 269

Precursor 3
CAS#:64-10-8 phenylurea CAS#:7647-01-0 Hydrochloric acid CAS#:64-19-7 acetic acid
DownStream 8
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