*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UX1915000 CHEMICAL NAME : Pyrocatechol, 4-methyl- CAS REGISTRY NUMBER : 452-86-8 BEILSTEIN REFERENCE NO. : 0636512 REFERENCE : 4-06-00-05878 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C7-H8-O2 MOLECULAR WEIGHT : 124.15 WISWESSER LINE NOTATION : QR BQ D1 COMPOUND DESCRIPTOR : Tumorigen Mutagen SYNONYMS/TRADE NAMES : * 1,2-Benzenediol, 4-methyl- * 3,4-Dihydroxytoluene * Homocatechol * Homopyrocatechol * 4-Methyl-1,2-benzenediol * p-Methylcatechol * 4-Methylcatechol * p-Methylpyrocatechol * 4-Methylpyrocatechol * Toluene-3,4-diol *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 900 mg/kg/51W-C TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 49,5143,1989 ** MUTATION DATA ** TYPE OF TEST : Gene conversion and mitotic recombination TEST SYSTEM : Yeast - Saccharomyces cerevisiae DOSE/DURATION : 300 mg/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 135,109,1984 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - hamster Ovary DOSE/DURATION : 10 mg/L REFERENCE : CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 14,251,1981 *** END OF RECORD ***