English synonym name: 5, 7-dihydroxy-3-(5-hydroxy-2, 2-dimethyl-2h-1-benzopyran-6-yl)-4h-1-benzopyran-4-one;licoisoflavone b Cas registry number: 66056-30-2 Molecular formula: c20 h16 o6 Molecular weight: 352.34 Purity: hplc more than or equal to 98% Melting point (experimental)value: 180-183 degrees centigrade Boiling point (predicted)value: 588.9 more or less 50.0 �c | condition: press: 760 torr Density (predicted)value: 1.443 more or less 0.06 g/cm3 | condition: temp: 20 degrees centigrade press: 760 torr Pka (predicted)value: 6.42 more or less 0.20 | condition: most acidic temp: 25 degrees centigradestorage: 2-8 degrees centigrade, keep container tightly in a dry place, out of light.