*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT8200000
CHEMICAL NAME           : Urea, 1-methyl-1-nitroso-3-phenyl- and sodium nitrite
                          (10:1)
LAST UPDATED            : 198910
DATA ITEMS CITED        : 2
WISWESSER LINE NOTATION : ONN1&VMR 10 &.NA..N-O2
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Sodium nitrite and 1-methyl-1-nitroso-3-phenylurea
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8250 mg/kg/32W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   4,299,1978
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   MVMZA8 Monatshefte fuer Veterinaermedizin.  (VEB Gustav Fischer Verlag,
   Postfach 176, Jena DDR-6900, Ger. Dem. Rep.)  V.1-    1946-
   Volume(issue)/page/year: 33,128,1978
 
                            *** END OF RECORD ***