*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XY2300000 CHEMICAL NAME : Triazene, 3,3-dimethyl-1-(m-pyridyl-N-oxide)- CAS REGISTRY NUMBER : 21600-42-0 LAST UPDATED : 199709 DATA ITEMS CITED : 13 MOLECULAR FORMULA : C7-H10-N4-O MOLECULAR WEIGHT : 166.21 WISWESSER LINE NOTATION : T6NJ AO CNUNN1&1 COMPOUND DESCRIPTOR : Tumorigen Mutagen SYNONYMS/TRADE NAMES : * (3,3-Dimethyl-1-(m-pyridyl-N-oxide))triazene * 3-(3',3'-Dimethyltriazeno)-pyridin-N-oxid * 3-(3',3'-Dimethyltriazeno)-pyridine-N-oxide * Pyndt * Pyridine, 3-(3,3-dimethyl-1-triazenyl)-, 1-oxide * 1-(Pyridyl-3-N-oxid)-3,3-dimethyl-triazen * 1-(Pyridyl-3-N-oxide)-3,3-dimethyltriazene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie. (Berlin, Fed. Rep. Ger.) V.76-92, 1971-78. For publisher information, see JCROD7. Volume(issue)/page/year: 81,285,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 230 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie. (Berlin, Fed. Rep. Ger.) V.76-92, 1971-78. For publisher information, see JCROD7. Volume(issue)/page/year: 81,285,1974 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 490 mg/kg/38W-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Brain and Coverings - tumors Peripheral Nerve and Sensation - peripheral nerve tumors REFERENCE : ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie. (Berlin, Fed. Rep. Ger.) V.76-92, 1971-78. For publisher information, see JCROD7. Volume(issue)/page/year: 81,285,1974 TYPE OF TEST : TD - Toxic dose (other than lowest) ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 540 mg/kg/36W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Brain and Coverings - tumors REFERENCE : XENOBH Xenobiotica. (Taylor & Francis Ltd., 4 John St., London WC1N 2ET, UK) V.1- 1971- Volume(issue)/page/year: 3,271,1973 ** MUTATION DATA ** TYPE OF TEST : Sex chromosome loss and nondisjunction ROUTE OF EXPOSURE : Oral TEST SYSTEM : Insect - Drosophila melanogaster DOSE/DURATION : 700 umol/L REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 9,365,1974 TYPE OF TEST : Heritable translocation test ROUTE OF EXPOSURE : Oral TEST SYSTEM : Insect - Drosophila melanogaster DOSE/DURATION : 660 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 21,123,1973 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Human Leukocyte DOSE/DURATION : 25 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 21,123,1973 TYPE OF TEST : Host-mediated assay TEST SYSTEM : Rodent - mouse Yeast - Saccharomyces cerevisiae DOSE/DURATION : 400 umol/kg REFERENCE : AGACBH Agents and Actions, A Swiss Journal of Pharmacology. (Birkhaeuser Verlag, POB 133, CH-4010 Basel, Switzerland) V.1- 1969/70- Volume(issue)/page/year: 3,99,1973 *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Positive: D melanogaster-whole sex chrom. loss EPA GENETOX PROGRAM 1988, Positive: D melanogaster-partial sex chrom. loss EPA GENETOX PROGRAM 1988, Positive: D melanogaster-reciprocal translocation EPA GENETOX PROGRAM 1988, Positive: Host-mediated assay; D melanogaster Sex-linked lethal EPA GENETOX PROGRAM 1988, Positive: S cerevisiae gene conversion *** END OF RECORD ***