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: |
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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.
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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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