Medicine Grade Vitamin B2

group name: Vitamins

Min Order: 25 kilogram

model: USP

payment method: L/C, D/P, Western Union, T/T, Paypal

update time: Thu, 05 Dec 2019 10:54:45 GMT

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Paramtents

color Yellow

Packging & Delivery

Min Order25 kilogram

Briefing

25kg/fiber drum,or 25kg/carton,or according to customers'requirement
Storage:In a non-metallic container, protected from light.

Detailed

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

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