*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : AH4200000 CHEMICAL NAME : Acetic acid, (ethylenedinitrilo)tetra-, cobalt salt CAS REGISTRY NUMBER : 24704-41-4 LAST UPDATED : 199207 DATA ITEMS CITED : 2 WISWESSER LINE NOTATION : QV1N1VO&2N1VQ1VO &-CO- SYNONYMS/TRADE NAMES : * Cobalt(II) EDTA complex * Ethylenediamine tetraacetic acid, cobalt salt *** 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 : 206 mg(Co)/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PABIAQ Pathologie et Biologie. (Paris, France) V.1-16, 1953-68. For publisher information, see PTBIAN. Volume(issue)/page/year: 11,853,1963 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO COBALT METAL, dust and fume-air:10H TWA 0.05 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 *** END OF RECORD ***