| Identification | |
| Name: | Ergosterol |
| Synonyms: | (22E)-Ergosta-5,7,22-trien-3beta-ol; Provitamin D2 |
| CAS: | 57-87-4 |
| EINECS: | 200-352-7 |
| Molecular Formula: | C28H44O |
| Molecular Weight: | 396.65 |
| InChI: | InChI=1/C28H44O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h7-10,18-20,22,24-26,29H,11-17H2,1-6H3/b8-7+/t19?,20-,22+,24-,25?,26+,27+,28-/m1/s1 |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2811 |
| Flash Point: | 216.3°C |
| Density: | 1g/cm3 |
| Stability: | Stable, but may be light or air sensitive. Incompatible with acids, strong oxidizing agents. |
| Refractive index: | -112.5 ° (C=1, THF) |
| Alpha: | -120 º (C=1, CHC13) |
| Water Solubility: | PRACTICALLY INSOLUBLE |
| Solubility: | Insoluble |
| Appearance: | white to yellow crystalline powder |
| Packinggroup: | II |
| Flash Point: | 216.3°C |
| Storage Temperature: | 2-8°C |
| Sensitive: | Light Sensitive |
| Color: | Small hydrated plates from alcohol, in hydrated needles from ether. The best crystalized form contains 1 1/2 mol H2O Platelets from water, alcohol; needles from ethyl ether Colorless crystals |
| Usage: | Chemical intermediate for vitamin d2. |
| Safety Data | |
| Hazard Symbols |
T+:Verytoxic
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