*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : HP5295045 CHEMICAL NAME : 1(9bH)-dibenzofuranone, 2,6-diacetyl-8,9b-dimethyl-3,7,9-trihydroxy-, sodium salt CAS REGISTRY NUMBER : 39012-86-7 LAST UPDATED : 198806 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C18-H16-O7.xNa MOLECULAR WEIGHT : 505.27 SYNONYMS/TRADE NAMES : * 2,6-Diacetyl-8,9b-dimethyl-3,7,9-trihydroxy-1(9bh)-dibenzofuranone sodium salt * 1,3(2H,9bH)-dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, sodium salt * Usnic acid sodium salt * Usninsaeure natriumsalz *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 290 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 5,507,1955 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 5,507,1955 *** END OF RECORD ***