*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TI3325000 CHEMICAL NAME : Phthalic anhydride, methyltetrahydro- CAS REGISTRY NUMBER : 26590-20-5 LAST UPDATED : 199701 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C9-H10-O3 MOLECULAR WEIGHT : 166.19 WISWESSER LINE NOTATION : T56 BVOV GUTJ X1 SYNONYMS/TRADE NAMES : * AC 220 * AC 220J * 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl- * Lindride * Methyltetrahydrophthalic anhydride *** 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 : 2140 uL/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1410 uL/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2943 No. of Facilities: 15 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 124 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***