*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DV5650000 CHEMICAL NAME : Biphenyl, 4-nitroso- CAS REGISTRY NUMBER : 10125-76-5 BEILSTEIN REFERENCE NO. : 1940223 REFERENCE : 4-05-00-01823 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C12-H9-N-O MOLECULAR WEIGHT : 183.22 WISWESSER LINE NOTATION : ONR DR COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 1,1'-Biphenyl, 4-nitroso- * 4-Nitrosobiphenyl *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 5500 nmol/L REFERENCE : ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 3,11,1981 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 5500 nmol/L REFERENCE : ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 3,11,1981 TYPE OF TEST : Unscheduled DNA synthesis TEST SYSTEM : Rodent - rat Liver DOSE/DURATION : 5 umol/L REFERENCE : ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 3,11,1981 *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Positive: Histidine reversion-Ames test *** END OF RECORD ***