| Identification | |
| Name: | Azuleno[6,5-b]furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dimethyl-3-methylene-,(3aS,4S,4aR,7aR,8R,9aR)- |
| Synonyms: | Ambrosa-2,11(13)-dien-12-oicacid, 6a,8b-dihydroxy-4-oxo-, 12,8-lactone (8CI);Azuleno[6,5-b]furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dimethyl-3-methylene-, [3aS-(3aa,4a,4ab,7aa,8a,9aa)]-; Helenalin (6CI,7CI); (-)-Helenalin; Helenalin A; NSC 85236 |
| CAS: | 6754-13-8 |
| Molecular Formula: | C15H18 O4 |
| Molecular Weight: | 262.33 |
| InChI: | InChI=1/C15H18O4/c1-7-6-10-12(8(2)14(18)19-10)13(17)15(3)9(7)4-5-11(15)16/h4-5,7,9-10,12-13,17H,2,6H2,1,3H3/t7-,9+,10-,12-,13+,15+/m1/s1 |
| Molecular Structure: | ![(C15H18O4) Ambrosa-2,11(13)-dien-12-oicacid, 6a,8b-dihydroxy-4-oxo-, 12,8-lactone (8CI);Azuleno[6,5-b]furan-2,5...](https://img1.guidechem.com/chem/e/dict/36/6754-13-8.jpg) |
| Properties | |
| Transport: | 2811 |
| Melting Point: | 167-168 DEG C |
| Flash Point: | 179.9°C |
| Boiling Point: | 473°C at 760 mmHg |
| Density: | 1.25g/cm3 |
| Refractive index: | 1.565 |
| Solubility: | SLIGHTLY SOL IN WATER; SOL IN ALCOHOL, CHLOROFORM, HOT BENZENE |
| Specification: |
Helenalin (6754-13-8) also can be called for Helenalin ; (3as-(3Aalpha,4alpha,4abeta,7aalpha,8alpha,9aalpha))-Ethyl-3-methylene ; [3as]-3,3Aalpha,4alpha,4a,7Aalpha,8,9,9Aalpha-Octahydro-4-hydroxy-4abeta,8alph ; 6alpha,8beta-Dihydroxy-4-oxoambrosa-2,11(13)-dien-12-oicacid12,8-lactone ; A-Dimethyl-3-methyleneazuleno[6,5-b]-furan-2,5-dione ; Ambrosa-2,11(13)-dien-12-oicacid,6-alpha,8-beta-dihydroxy-4-oxo-,12,8-lacton ; Ambrosa-2,11(13)-dien-12-oicacid,6alpha,8beta-dihydroxy-4-oxo-,12,8-lactone ; Azuleno(6,5-b)furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dim . Helenalin (6754-13-8) is a Sesquiterpene lactone with potent anti-inflammatory and antitumor effects found in Arnica montana and Arnica chamissonis foliosa. It is the main compound responsible for the therapeutic effects of Arnica.When Helenalin (6754-13-8) was heated,it emits toxic fumes. |
| Report: |
EPA Genetic Toxicology Program. |
| Packinggroup: | III |
| Flash Point: | 179.9°C |
| Color: | STERNUTATIVE CRYSTALS FROM BENZENE |
| Safety Data | |
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