Vitamin B2

Vitamin b2&Riboflavin:

Yellow to orange yellow crystalline powder, slightly odorous, with a slightly bitter taste. Melting point 280 ℃ (decomposition). Easily soluble in alkaline and sodium chloride solutions, slightly soluble in water, slightly soluble in ethanol, insoluble in ether Chemicalbook and chloroform. The aqueous solution is yellow green, while the saturated aqueous solution is neutral. It has good heat and acid resistance, but is easily damaged in alkaline solutions or under ultraviolet radiation, and is also unstable to reducing agents.