*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : LU5075000 CHEMICAL NAME : 2(3H)-Furanone, 5-methyl- CAS REGISTRY NUMBER : 591-12-8 BEILSTEIN REFERENCE NO. : 0108394 REFERENCE : 5-17-09-00120 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C5-H6-O2 MOLECULAR WEIGHT : 98.11 WISWESSER LINE NOTATION : T5OV CHJ E1 SYNONYMS/TRADE NAMES : * alpha-Angelica lactone * beta,gamma-Angelica lactone * delta(sup 2)-Angelica lactone * 4-Hydroxypent-3-enoic acid lactone * gamma-Methyl-beta,gamma-crotonolactone * 5-Methyl-2(3H)-furanone * 3-Pentenoic acid, 4-hydroxy-, gamma-lactone *** 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 : 3900 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571138 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 3,249,1980 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 3 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 2,109,1946 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***