*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK3855020 CHEMICAL NAME : Butane, 2,3-epoxy-, cis- CAS REGISTRY NUMBER : 1758-33-4 BEILSTEIN REFERENCE NO. : 0079770 REFERENCE : 5-17-01-00061 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C4-H8-O MOLECULAR WEIGHT : 72.12 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * cis-2-Butene epoxide * cis-2-Butene oxide * cis-2-Butylene oxide * cis-2,3-Dimethyloxirane * cis-2,3-Epoxybutane * meso-2,3-Epoxybutane * Oxirane, 2,3-dimethyl-, cis- *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 100 umol/plate REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 231,205,1990 TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - hamster Lung DOSE/DURATION : 12500 mol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 249,55,1991 *** STATUS IN U.S. *** EPA TSCA Section 8(d) unpublished health/safety studies EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***