*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK3855000 CHEMICAL NAME : Butane, 2,3-epoxy- CAS REGISTRY NUMBER : 3266-23-7 LAST UPDATED : 199710 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C4-H8-O MOLECULAR WEIGHT : 72.12 WISWESSER LINE NOTATION : T3OTJ B1 C1 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 2-Butene expoxide * 2-Butene oxide * beta-Butylene oxide * 2,3-Butylene oxide * 2,3-Dimethyloxirane * 2,3-Epoxybutane * Oxirane, 2,3-dimethyl- * beta-Oxybutene *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 5 umol/plate REFERENCE : JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 2,282,1982 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Klebsiella pneumoniae DOSE/DURATION : 20 mmol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 89,269,1981 *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Positive: N crassa-reversion EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(d) unpublished health/safety studies EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***