*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : LU3562000 CHEMICAL NAME : 2(3H)-Furanone, dihydro-5-butyl- CAS REGISTRY NUMBER : 104-50-7 BEILSTEIN REFERENCE NO. : 0111677 REFERENCE : 5-17-09-00073 (Beilstein Handbook Reference) LAST UPDATED : 199709 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C8-H14-O2 MOLECULAR WEIGHT : 142.22 WISWESSER LINE NOTATION : T5OVTJ E4 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * gamma-n-Butyl-gamma-butyrolactone * 2(3H)-Furanone, 5-butyldihydro- * 4-Hydroxyoctanoic acid lactone * gamma-Octalactone * Octanoic acid, 4-hydroxy-, lactone * gamma-Octanolactone * 4-Octanolide *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 500 mg/24H REACTION SEVERITY : Moderate REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,821,1976 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 4400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,821,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5114 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 1557 (estimated) No. of Female Employees: 276 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***