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Home > products > 1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-

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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Aktin Chemicals, Inc.
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