Product Description

ProductVitamin B2
CAS83-88-5
FormulaC17H20N4O6
SynonymRiboflavin

Typical Product Specifications

SensoricOrange yellow crystalline powder
Assay %98.0% to 102.0%
Loss on Drying1.5% Max
Heavy Metals; USP <231>25 ppm Max
SalmonellaNegative in 25g
E Coli & SalmonellaNegative in 25g
Odororange to yel. cryst., sl. odor, bitter taste
IronNot-detectable
IdentificationPositive
Specific Rotation+56.5? to +59.5?
Acidity & Alkalinity4.8
CalciumNot-detectable
Insolubilityin ether, chloroform
SodiumNot-detectable
ProteinNot-detectable
Residue on evaporation0.3% Max
YeastNMT 300 cfu/g
Total CaloriesNot-detectable
Total CarbohidratesNot-detectable
CholesterolNot-detectable
Total FatNot-detectable
Standard FatNot-detectable
Calories From FatNot-detectable
SugarsNot-detectable
Vitamin ANot-detectable
Vitamin CNot-detectable
Light AbsorbencyConform
KClO3440 nm NMT 0.025
Molecular weight376.41
Slightly Solublein water, alcohol
Melting Point282 c (dec.)
Dietary fiberNot-detectable
NotesUses: Crystalline pigment; principal growth-promoting factor of Vitamin B2 complex (functions as flavor protein in tissue respiration); dietary supplement; medicine; enriched flours; animal feed supplement; color additive in cosmetics, foods, and pharmaceuticals. Additional Grades: Vitamin B2 95% Fine Granulation and Vitamin B2 95% Granulated.
ClassVitamins - Nutritional Ingredients - Amino Acids, Non GMO
IndustryNutrition
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