*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DB5069000 CHEMICAL NAME : Benzenesulfonic acid, 4,4'-(4-butyl-5-hydroxy-3-oxo-1H-pyrazole-1,2(3H)-diy l)bis-, trisodium salt CAS REGISTRY NUMBER : 59173-50-1 LAST UPDATED : 199201 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C19-H17-N2-O8-S2.3Na MOLECULAR WEIGHT : 534.47 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Sodium salt of enol-1,2-di-(N-sulphophenyl)-3,5-dioxopyrazolidine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2979 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 39,58,1976 *** END OF RECORD ***