*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DB6081000 CHEMICAL NAME : Benzenesulfonic acid, 2,5-dihydroxy-, calcium salt (1:1) CAS REGISTRY NUMBER : 51854-84-3 LAST UPDATED : 199703 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H4-O8-S2.Ca MOLECULAR WEIGHT : 308.30 SYNONYMS/TRADE NAMES : * Calcium 2,5-dihydroxybenzenesulfonate (1:1) * p-Dihydroxybenzenedisulfonate de calcium *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >6880 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRXXBL French Demande Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2249655 *** END OF RECORD ***