*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QK1575000 CHEMICAL NAME : 1-Naphthalenesulfonic acid, 4,4'-((2,4-dihydroxy-5-(hydroxymethyl)- m-phenylene)bis(azo))di-, disodium salt CAS REGISTRY NUMBER : 4553-89-3 LAST UPDATED : 199509 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C27-H20-N4-O9-S2.2Na MOLECULAR WEIGHT : 654.61 WISWESSER LINE NOTATION : L66J BSWQ ENUNR BQ DQ E1Q CR BQ FQ C1Q E- BL66J ESWQ SYNONYMS/TRADE NAMES : * Brown HT * 1538 Brown * Certicol Brown N Extra * Certicol Brown RS * Chocolate Brown HT * C.I. 20285 * C.I. Food Brown 3 * C.I. Food Brown 3, disodium salt * 2,4-Dihydroxy-3,5-di(4-sulpho-1-naphthylazo)benzyl alcohol, disodium salt * Hexacol Chocolate Brown HT * Hned potravinarska 3 *** 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 : >2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 4,143,1966 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 375 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - coma REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 4,143,1966 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 4,143,1966 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 220 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - coma REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 4,143,1966 *** END OF RECORD ***