Yellow to orange-yellow crystalline powder, slightly odor, slightly bitter taste. The melting point is 280°C (decomposition). Easily soluble in alkaline solution and sodium chloride solution, slightly soluble in water, slightly soluble in ethanol, insoluble in ether and chloroform. The aqueous solution is yellow-green, and the saturated aqueous solution is neutral.
It has good heat resistance and acid resistance. It is easily damaged in alkaline solution or irradiated by ultraviolet rays, and it is also unstable to reducing agents. Rats were injected intraperitoneally with LD50560mg/kg and ADI0～0.5mg/kg (FAO/WHO, 1994).
|Product Name||Vitamin b2 powder|
|Appearance||Yellow or Orange-yellow Crystalline Powder|
|Shelf Life||2 years|
|Packing||1kg/bag,25kg/bag or as your requirements|
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