CHEMICAL IDENTIFICATION

RTECS NUMBER :

YS1820000

CHEMICAL NAME :

Urea, 1-benzyl-1-nitroso-

CAS REGISTRY NUMBER :

775-11-1

BEILSTEIN REFERENCE NO. :

0642551

LAST UPDATED :

199612

DATA ITEMS CITED :

4

MOLECULAR FORMULA :

C8-H9-N3-O2

MOLECULAR WEIGHT :

179.20

WISWESSER LINE NOTATION :

ZVNNO&1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1600 mg/kg/92W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Skin and Appendages - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Parenteral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1200 mg/kg/66W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Musculoskeletal - tumors Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Bacteria - Salmonella typhimurium

DOSE/DURATION :

250 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