Riboflavin Vitamin B2 98% Feed Grade/Food Grade

China Riboflavin Vitamin B2 98% Feed Grade/Food Grade, Find details about China Vitamin a B C D E, Vitamin a 500000iu/G from Riboflavin Vitamin B2 98% Feed Grade/Food Grade

Trademark
POLIFAR
Origin
China
HS Code
293623
Trademark
POLIFAR
Origin
China
HS Code
293623

Riboflavin Vitamin B2 98% Feed Grade/Food Grade

Product

 

Vitamin B2 

 Assay (On dry basis)

98.0%-102.0% (USP)

97.0%-103.0% (BP)   98.2%

Description

Orange Yellow Crystalline Powder

Identification

Positive 

Acidity of Alkalinity

Check the color of the test solution after adding the respective solutions

Lumiflavin

Absorbance of the filtrate at 440nm does not exceed 0.025 (USP); not more intense than BP 0.008

Absorbance

0.31-0.33 A373nm/A267nm         

0.36-0.39 A444nm/A267nm

Particle Size

100% passes through 60 mesh sieve

Specific Rotation

Between -115 and -135 (BP/USP)  -125

Loss on Drying

0.5%

Heavy Metals

<10ppm

Residue on Ignition

<0.3% (USP)

<0.1% (BP)      0.1%

Organic Volatile Impurities

Method IV


Riboflavin Vitamin B2 98% Feed Grade/Food Grade
Polifar Group Limited at Hanover EuroTier and Nanjing VIV exhibition:
Riboflavin Vitamin B2 98% Feed Grade/Food Grade
Riboflavin Vitamin B2 98% Feed Grade/Food Grade

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Riboflavin Vitamin B2 98% Feed Grade/Food Grade