Vitamin B2

Vitamin B2 Commodity Name: Vitamin B2 Chemical Name: 7,8-Dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4(3H,10H)-dione. Other Name: Riboflavin CAS: 83-88-5 M.F.:C17H20N4O6 M.W.: 376.36 Properties: Yellow or orange-yellow, crystalline powder. Slightly soluble in water, practically insoluble in alcohol. Solutions deteriorate on exposure to light, especially in the presence of alkali. Item Index Contents (ON DRY MATERIAL) 97.0 103.0% Specific optical rotation (dried substance) -115 -135° Loss on drying ≤ 1.5% Sulphated ash≤ 0.1% Uses: Feed additive ,food additive. pharmaceutical USP29/BP2007 Packing: 25kg/fiber drum ,or 25kg/carton,or according to customers'requirement Storage: In an airtight container , protected from light.