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

Identification
Name:1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-
Synonyms:Usnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;
CAS:125-46-2
EINECS: 231-456-0
Molecular Formula: C18H16O7
Molecular Weight: 344.34
InChI: InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,11,22-23H,1-4H3
Molecular Structure: (C18H16O7) Usnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;
Properties
Density:1.49 g/cm3
Refractive index:495 ° (C=0.7, CHCl3)
Solubility:Solubility at 25 deg C (g/100 ml): acetone, 0.77; ethyl acetate, 0.88; fural, 7.32; furfuryl alcohol, 1.21
Solubility at 25 deg C (g/100 ml): water,
Report:

Reported in EPA TSCA Inventory.

Color: ... yellowish /colored/ pigment. [Cocchietto M, et al; Naturwissenschaften 89: 137-46 (2002)] PubMed Abstract
Yellow orthorombic prisms from acetone
Crystalline yellow solid
Safety Data
 

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