English name: hederagenin; olean-12-en-28-oic acid, 3, 23-dihydroxy-, (3b, 4a)- Cas registry number: 465-99-6 Molecular formula: c30 h48 o4 Molecular weight: 472.70 Purity: hplc more than 98% Appearance: white crystal powder Solubility: soluble in water, easily soluble in thermal water, thermal methanol and thermal ethanol, insoluble in ethyl ether and other less polar organic solvents. Melting point (experimental)value: 325 degrees centigrade Boiling point (predicted)value: 589.4 more or less 50.0 degrees centigrade | condition: press: 760 torr Density (predicted)value: 1.14 more or less 0.1 g/cm3 | condition: temp: 20 degrees centigrade press: 760 torr Pka (predicted)value: 4.63 more or less 0.70 | condition: most acidic temp: 25 degrees centigrade Botanic source: hederanepalensisk.Kochvar.Sinensis(tobl.)rehd. Storage: 2-8 degrees centigrade, keep container tightly in a dry place, out of light.