*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EC1925000
CHEMICAL NAME           : Biuret, 1-methyl-1-nitroso-
CAS REGISTRY NUMBER     : 13860-69-0
BEILSTEIN REFERENCE NO. : 1775240
REFERENCE               : 2-04-00-00585 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : C3-H6-N4-O3
MOLECULAR WEIGHT        : 146.13
WISWESSER LINE NOTATION : ZVMVN1&NO
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * N-Methyl-N-nitrosobiuret
   * 1-Methyl-1-nitrosobiuret
   * N-Methyl-N-nitroso-N'-carbamoylurea
   * N-Nitroso-N-methylbiuret
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 450 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PPTCBY Proceedings of the International Symposium of the Princess Takamatsu
   Cancer Research Fund. (Japan Scientific Soc. Press, 6-2-10 Hongo, Bunkyo-ku,
   Tokyo 113, Japan)  1st-    1971-  Volume(issue)/page/year: 2,73,1972
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 25 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
   Kidney, Ureter, Bladder - Kidney tumors
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   75,229,1971
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1300 mg/kg/1Y-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Brain and Coverings - tumors
   Gastrointestinal - tumors
REFERENCE :
   PPTCBY Proceedings of the International Symposium of the Princess Takamatsu
   Cancer Research Fund. (Japan Scientific Soc. Press, 6-2-10 Hongo, Bunkyo-ku,
   Tokyo 113, Japan)  1st-    1971-  Volume(issue)/page/year: 2,73,1972
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1200 mg/kg/1Y-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Brain and Coverings - tumors
   Gastrointestinal - tumors
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   75,229,1971
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 2500 ppm/2H (Continuous)
REFERENCE :
   ANTBAL Antibiotiki.  (Moscow, USSR)  V.1-29, 1956-84.  For publisher
   information, see AMBIEH.  Volume(issue)/page/year: 24,168,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 5000 ppm/4H (Continuous)
REFERENCE :
   ANTBAL Antibiotiki.  (Moscow, USSR)  V.1-29, 1956-84.  For publisher
   information, see AMBIEH.  Volume(issue)/page/year: 24,168,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 500 ppm/2H (Continuous)
REFERENCE :
   ANTBAL Antibiotiki.  (Moscow, USSR)  V.1-29, 1956-84.  For publisher
   information, see AMBIEH.  Volume(issue)/page/year: 24,168,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 5000 ppm/2H
REFERENCE :
   ANTBAL Antibiotiki.  (Moscow, USSR)  V.1-29, 1956-84.  For publisher
   information, see AMBIEH.  Volume(issue)/page/year: 21,795,1976
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 5000 ppm/24H (Continuous)
REFERENCE :
   SOGEBZ Soviet Genetics.  English translation of GNKAA5.  (Plenum Pub. Corp.,
   233 Spring St., New York, NY 10013)  V.2-    1966- Volume(issue)/page/year:
   10,522,1974
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 500 ppm/1H
REFERENCE :
   SOGEBZ Soviet Genetics.  English translation of GNKAA5.  (Plenum Pub. Corp.,
   233 Spring St., New York, NY 10013)  V.2-    1966- Volume(issue)/page/year:
   12,772,1976
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 1 pph
REFERENCE :
   ANTBAL Antibiotiki.  (Moscow, USSR)  V.1-29, 1956-84.  For publisher
   information, see AMBIEH.  Volume(issue)/page/year: 27,738,1982
 
                            *** END OF RECORD ***