| product Name |
2,6-diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione |
| CAS No |
125-46-2;7562-61-0 |
| Synonyms |
Antibiotic lichen acid; usnic acid; L/D-Usnic acid; (+)-Usnic acid; plus-usnic acid; (+)-usnic acid from usnea dasypoga; 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione; 2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one; (9bS)-2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione; (9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one; (+)-Usnic Acid; (+)-Usniacin; Usinic Acid |
| Molecular Formula |
C18H16O7 |
| Molecular Weight |
344.3154 |
| InChI |
InChI=1/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/h5,21-23H,1-4H3/t18-/m0/s1 |
| EINECS |
204-740-7;231-456-0 |
| Molecular Structure |
|
| Density |
1.54g/cm3 |
| Melting point |
201-203℃ |
| Boiling point |
605.4°C at 760 mmHg |
| Refractive index |
1.678 |
| Flash point |
223.3°C |
| Vapour Pressur |
3E-15mmHg at 25°C |
| Hazard Symbols |
 Xn:Harmful;
|
| Risk Codes |
R22:;
|
| Safety Description |
S36:;
|
|
