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
Structural Formula: 
 
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 

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.

Period of validity: In an airtight container，Three years