*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT9730000
CHEMICAL NAME           : Urea, N-nitroso-N-phenyl-
CAS REGISTRY NUMBER     : 6268-32-2
BEILSTEIN REFERENCE NO. : 1841800
REFERENCE               : 4-16-00-00867 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C7-H7-N3-O2
MOLECULAR WEIGHT        : 165.17
WISWESSER LINE NOTATION : ZVNR&NO
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Nitrosophenylurea
   * Phenyl-nitroso-harnstoff
   * N-Phenyl-N-nitrosourea
 
                       *** 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)
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   71,63,1968
 
                          ** TUMORIGENIC DATA **
 
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
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   71,63,1968
 
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
REFERENCE :
   JCROD7 Journal of Cancer Research and Clinical Oncology.  (Springer-Verlag
   New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094)  V.93-
   1979-  Volume(issue)/page/year: 102,13,1981
 
                            ** 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
 
                            *** END OF RECORD ***