*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : ES8575000 CHEMICAL NAME : Butyric acid, 4-((4-chloro-o-tolyl)oxy)- CAS REGISTRY NUMBER : 94-81-5 BEILSTEIN REFERENCE NO. : 2215202 REFERENCE : 4-06-00-01996 (Beilstein Handbook Reference) LAST UPDATED : 199709 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C11-H13-Cl-O3 MOLECULAR WEIGHT : 228.69 WISWESSER LINE NOTATION : QV3OR DG B1 COMPOUND DESCRIPTOR : Agricultural Chemical Mutagen SYNONYMS/TRADE NAMES : * Bexone * Butanoic acid, 4-(4-chloro-2-methylphenoxy)- * 4-(4-Chlor-2-methylphenoxy)-buttersaeure * gamma-(4-Chloro-2-methylphenoxy)butyric acid * 4-(4-Chloro-2-methylphenoxy)butyric acid * (4-Chloro-o-tolyloxy)butyric acid * 4-((4-Chloro-o-tolyl)oxy)butyric acid * Kyselina 4-(4-chlor-2-methylfenoxy)maselna * MCPB * gamma-MCPB * 2,4-MCPB * 4MCPB * MCP-butyric * 2-Methyl-4-chlorophenoxybutyric acid * gamma-2-Methyl-4-chlorophenoxybutyric acid * 4-(2-Methyl-4-chlorophenoxy)butyric acid * 4-(2-Methyl-4-chlorphenoxy)-buttersaeure * 2M 4KhM * Thitrol * Trifolex * U46 MCPB *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 680 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C303,1991 ** MUTATION DATA ** TYPE OF TEST : Gene conversion and mitotic recombination TEST SYSTEM : Yeast - Saccharomyces cerevisiae DOSE/DURATION : 13500 umol/L REFERENCE : IARCCD IARC Scientific Publications. (Geneva, Switzerland) No.1-26, 1971-78. For publisher information, see IAPUDO. Volume(issue)/page/year: 10,161,1974 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Negative: Host-mediated assay; D melanogaster Sex-linked lethal On EPA IRIS database *** END OF RECORD ***