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API Vitamin B2 Riboflavin Powder CAS 83- 88 -5

China API Vitamin B2 Riboflavin Powder CAS 83-88-5, Find details about China Riboflavin, Vitamin B2 from API Vitamin B2 Riboflavin Powder CAS 83-88-5

Trademark
Topessence
Transport Package
Drum
Specification
25kg/ drum
Origin
China
HS Code
29362300
Trademark
Topessence
Transport Package
Drum
Specification
25kg/ drum
Origin
China
HS Code
29362300
Product Description

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.

 

SPEC SHEET                                             

Items of Test

Limits of Test

Appearance

Orange yellow crystalline powder

Identification

Positive

Specific Rotation

between -115º and -135º

Loss on Drying

NMT 1.5%

Residue on Ignition

NMT 0.3%

Lumiflavin

NMT 0.025 at 440nm

Residual Solvents

Method IV <467>

Assay(on dried basis)

98.0%-102.0%

API Vitamin B2 Riboflavin Powder CAS 83-88-5
API Vitamin B2 Riboflavin Powder CAS 83-88-5
 

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