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Xinfa Pharmaceutical Co., Ltd.

26 YRS

Shandong, China

CNY 51 Million

550116 m²

Over 1000 people

Main Products: Thiamine(2+) Dichloride / Pyridoxine Hydrochloride / Calcium D-Pantothenate / Folic Acid / Riboflavin (B2) / Dexpanthenol / β-Alanine

Shandong, China

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Vitamin B2 / CAS 83-88-5

OVERVIEW

Packaging

25 KG/Fibre Drum

Lead Time

14-30 days

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DESCRIPTION

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

Structural Formula:

结构式

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

Typical Properties

Riboflavin is mainly used as medicine, food additive and feed additive. In medicine, riboflavin is used as compound vitamin or vitamin B2 preparation, and as yellow colorant of sugar coated tablets and capsules. When it is used as food additive, it can strengthen nutrition on the one hand, and it can also be used as yellow colorant on the other hand.

CAS No.

83-88-5

Formula

C17H20N4O6

Molecular Mass

376.36400

Exact Mass

376.13800

PSA

161.56000

Logp

-1.67520

IUPAC

7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione

SMILES

CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(CO)O)O)O

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