*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RP9100000 CHEMICAL NAME : 2,4-Oxazolidinedione, 5,5-dimethyl- CAS REGISTRY NUMBER : 695-53-4 BEILSTEIN REFERENCE NO. : 0113541 REFERENCE : 4-27-00-03237 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 11 MOLECULAR FORMULA : C5-H7-N-O3 MOLECULAR WEIGHT : 129.13 WISWESSER LINE NOTATION : T5OVMV EHJ E1 E1 COMPOUND DESCRIPTOR : Drug Reproductive Effector SYNONYMS/TRADE NAMES : * AC 1198 * BAX 1400Z * Dimethadione * Dimethyloxazolidinedione * 5,5-Dimethyloxazolidine-2,4-dione * 5,5-Dimethyl-2,4-oxazolidinedione * DMO * 5,5-Dwumetylooksazolidyno-2,4-dion * Eupractone * NSC-30152 * Propazone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 850 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : DPHFAK Dissertationes Pharmaceuticae et Pharmacologicae. (Warsaw, Poland) V.18-24, 1966-72. For publisher information, see PJPPAA. Volume(issue)/page/year: 18,337,1966 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 4330 mg/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - homeostasis REFERENCE : TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 9,155,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 5410 mg/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) REFERENCE : TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 9,155,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 1134 mg/kg SEX/DURATION : female 1-21 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) REFERENCE : TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 9,155,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 540 mg/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 9,155,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE : 1800 mg/kg SEX/DURATION : female 11-12 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Effects on Newborn - live birth index (measured after birth) REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 97,406,1989 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE : 1800 mg/kg SEX/DURATION : female 12-13 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 97,406,1989 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE : 1 gm/kg SEX/DURATION : female 9 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 41,60,1990 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE : 1 gm/kg SEX/DURATION : female 9 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 44,617,1991 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE : 1 gm/kg SEX/DURATION : female 9 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 33,41C,1986 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***