*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CI9097800 CHEMICAL NAME : DL-Aspartic acid CAS REGISTRY NUMBER : 617-45-8 LAST UPDATED : 199701 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C4-H7-N-O4 MOLECULAR WEIGHT : 133.12 SYNONYMS/TRADE NAMES : * DL-Aminosuccinic acid * Aspartic acid, DL- * (+-)-Aspartic acid * (R,S)-Aspartic acid *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >6 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 24(5),17,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 10583 mg/kg/1W-C TOXIC EFFECTS : Behavioral - fluid intake Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 32,738,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4646 No. of Facilities: 473 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 4699 (estimated) No. of Female Employees: 2533 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***