Vitamins
REACH
Vitamin B2 Riboflavin 5'-Phosphate Sodium
CAS Number
130-40-5
EC Number
204-988-6
Chemical Formula
C17H21N4O9P.Na
Molecular Weight
478.3 g/mol
E Number
E103
Abbreviation
FMN
Form
powder, granule, crystal
Grade
FCC, USP, EP, BP, food
What is Vitamin B2 Riboflavin 5'-Phosphate Sodium?
Riboflavin sodium phosphate (CAS 130-40-5), also known as FMN and approved as E106 in the EU, is the water-soluble salt form of Vitamin B2, designed for applications where standard riboflavin's limited aqueous solubility creates formulation challenges.
Where is Vitamin B2 Riboflavin 5'-Phosphate Sodium used?
- Pharmaceuticals: parenteral nutrition solutions and injectable vitamin preparations
- Food and beverage: fortification of energy drinks, infant formula and dairy alternatives
- As E106 it functions as a yellow colorant in food products.
- Cosmetics: antioxidant claims and natural yellow coloration in serums and topical nutrient products
Commercial specifications
- Purity levels typically stated on a dried basis; assay specifications vary by grade
Other Names (Synonyms)
Riboflavin sodium phosphate|Riboflavin 5'-phosphate sodium|Vitamin B2 sodium phosphate|E101(ii) riboflavin-5'-phosphate|Sodium [(2r,3s,4s)-5-(7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,3,4-trihydroxypentyl] hydrogen phosphate|FMN|E106
What are the physical properties of Vitamin B2 Riboflavin 5'-Phosphate Sodium?
Melting Point >300°C
Appearance solid
Color Yellow to Dark Orange
Form powder
Water Solubility almost transparency
Refractive Index 41 ° (C=1.5, 5mol/L HCl)
Log P -2.193 (est)
Which trade and regulatory codes apply to Vitamin B2 Riboflavin 5'-Phosphate Sodium?
HS Code 29362300
Storage Class 11 - Combustible Solids
WGK (Germany) 3