*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TL6325250 CHEMICAL NAME : 2,5-Piperazinedione CAS REGISTRY NUMBER : 106-57-0 BEILSTEIN REFERENCE NO. : 0112112 REFERENCE : 5-24-05-00294 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C4-H6-N2-O2 MOLECULAR WEIGHT : 114.12 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Cyclodiglycine * Cycloglycylglycine * Cyclo(glycylglycyl) * alpha,gamma-Diacipiperazine * Diglycolyl diamide * Diketopiperazine * 2,5-Diketopiperazine * 2,5-Dioxopiperazine * Glycylglycine lactam *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 6,227,1954 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***