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| CAS number | 83-88-5 |
| Molecular formula | C17H20N4O6 |
| Product name | 83-88-5 Riboflavin |
| Molecular Structure |  |
Melting point : 290 °C (dec.)(lit.)
alpha : -135 º (c=5, 0.05 M NaOH)
Boiling point : 504.93°C (rough estimate)
density : 1.2112 (rough estimate)
refractive index : -135 ° (C=0.5, JP Method)
Fp : 9℃
storage temp. : 2-8°C
solubility : Very slightly soluble in water, practically insoluble in ethanol (96 per cent). Solutions deteriorate on exposure to light, especially in the presence of alkali. It shows polymorphism (5.9).
form : Powder
pka : 1.7(at 25℃)
color : Yellow to orange
