*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OI1695000 CHEMICAL NAME : Levulinic acid, butyl ester CAS REGISTRY NUMBER : 2052-15-5 BEILSTEIN REFERENCE NO. : 1768453 REFERENCE : 4-03-00-01563 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C9-H16-O3 MOLECULAR WEIGHT : 172.25 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * Butyl laevulinate * n-Butyl laevulinate * Butyl levulinate * n-Butyl levulinate * Butyl 4-oxopentanoate * 4-Ketopentanoic acid butyl ester * Pentanoic acid, 4-oxo-, butyl ester *** 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 : Mild REFERENCE : FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : >5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5775 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***