125-46-2|1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-Products Supply

1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl- cas no:125-46-2

Synonyms: Usnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;

Identification

Name1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-
CAS125-46-2
SynonymsUsnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;
EINECS(EC#)231-456-0
Molecular FormulaC₁₈H₁₆O₇
Molecular Weight344.34

Chemical Properties

refractive index495 ° (C=0.7, CHCl3)

Safety Data

Safety

Poison by subcutaneous and intravenous routes. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes. Used as an antibacterial and antimitotic agent.
Safety information of 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione (125-46-2):
Safety Statements
22 Do not breathe dust
24/25 Avoid contact with skin and eyes
RTECS HP5270000

Toxicity

1.	dnd-esc 20 µmol/L	MUREAV Mutation Research. 89 (1981),95.
2.	cyt-mam:oth 3750 µg/L	PHMCAA Pharmacologist. 12 (1970),280.
3.	ivn-mus LD50:25 mg/kg	MEIEDD Merck Index. 10 (1983),1414.
4.	scu-mus LD50:75 mg/kg	85GDA2 CRC Handbook of Antibiotic Compounds. 9 (1982),89.
5.	ivn-mus LD50:25 mg/kg	MEIEDD Merck Index. 10 (1983),1414.
6.	orl-rbt LD50:500 mg/kg	ARZNAD Arzneimittel-Forschung. Drug Research. 5 (1955),507.

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1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl- cas no:125-46-2

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