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.: C 17 H 20 N 4 O 6
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
| 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.
Period of validity: In an airtight container, Three years
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