Table 2. Various Physicochemical Properties of Daidzein (European Commission for Safety Assessment)a.
| property | value |
|---|---|
| molecular formula | C15H10O4 |
| melting point | 315–323 °C |
| boiling point (760.00 mmHg) | 512.00–513.00 °C |
| flash point | 201 °C |
| UV/visible light absorption spectrum, λmax | 250 nm |
| organoleptic properties (color, odor, taste if relevant) | pale yellow or fine off-white solid or diluted alcohol prisms |
| partition coefficient (Log Po/w) | 3.16b |
| solubility | |
| pH 6 buffer | 18.76 ± 0.33 nmol/mL |
| pH 10.8 buffer | 1875 ± 292.01 nmol/mL |
| soybean oil | 10.88 ± 2.73 nmol/mL |
| molecular weight (daidzein) | 254.24 g/mol |
| empirical formula | C15H10O4 |
| CAS Number | 486-66-8 |
| EC Number | 207-635-4 |
b
Calculated by Vega Software.