*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TI3692500 CHEMICAL NAME : Phthalide, 3-butylidene- CAS REGISTRY NUMBER : 551-08-6 LAST UPDATED : 199709 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C12-H12-O2 MOLECULAR WEIGHT : 188.24 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * 3-Butylidene-1(3H)-isobenzofuranone * Butylidene phthalide * n-Butylidene phthalide * 3-Butylidene phthalide * Ligusticum lactone * 1(3H)-Isobenzofuranone, 3-butylidene- *** 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: 21,659,1983 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1850 mg/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: 21,659,1983 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: 21,659,1983 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***