*** 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 ***