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Color.
Ingredients / Vitamins / Riboflavin 5'-Phosphate Sodium
Vitamins
Riboflavin 5'-Phosphate Sodium (E 101(ii))
Riboflavin 5'-phosphate sodium for U.S. manufacturers, from vetted producers. FCC / USP grade on request. Download the sample spec sheet, then send us your grade and quantity.
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Key facts
| CAS No. | 130-40-5 |
|---|---|
| E-number (EU) | E 101(ii) |
| Synonyms | Riboflavin-5′-phosphate sodium |
| Chemical formula | For the dihydrate form: C17H20N4NaO9P · 2H2O |
| Molecular weight | 514,36 |
| Description | Yellow to orange crystalline hygroscopic powder, with slight odour |
| Grades | EU Reg. 231/2012 (E 101(ii)) sample spec · FCC / USP available on request for U.S. food/pharma use |
| Origin | Confirmed in every offer; stated per lot on the COA |
| Storage, shelf life, packaging | Per the producer's specification, on request |
What riboflavin 5'-phosphate sodium is
These specifications apply to riboflavin 5′-phosphate together with minor amounts of free riboflavin and riboflavin diphosphate. Formula For the dihydrate form: C17H20N4NaO9P · 2H2O, molecular weight 514,36. Yellow to orange crystalline hygroscopic powder, with slight odour. (Source: EU Regulation 231/2012, E 101(ii).)
Applications by industry
Pharma & nutraceuticals
Vitamin B2 for supplement formulations.
Sample specification
Values from EU Regulation 231/2012 (E 101(ii)), consolidated text of 18.08.2026. Actual values depend on the producer; the producer's specification and the COA for your lot are available on request.
| Assay | Content not less than 95 % total colouring matters calculated as C17H20N4NaO9P.2H2O |
|---|---|
| Loss on drying | Not more than 8 % (100 °C, 5 hours in vacuum over P2O5) for the dihydrate form |
| Sulphated ash | Not more than 25 % |
| Inorganic phosphate | Not more than 1,0 % (calculated as PO4 on the anhydrous basis) |
| Subsidiary colouring matters | Riboflavin (free): Not more than 6 % Riboflavine diphosphate: Not more than 6 % |
| Primary aromatic amines | Not more than 70 mg/kg (calculated as aniline) |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |
| Cadmium | Not more than 1 mg/kg |
Download the full spec sheet (PDF)
Documents and sourcing
Droplet promise. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Data sheet, SDS and COA on request. Every delivery ships with a COA linked to the delivered lot.
Questions buyers ask
What is riboflavin 5'-phosphate sodium used for?
Typical uses by industry. Food & beverage: Color. Pharma & nutraceuticals: Vitamin B2 for supplement formulations. Suitability for your product and market is confirmed with the producer's specification.
Which grades can McBoeck supply?
Food grade to EU Regulation 231/2012 (E 101(ii)). FCC / USP grade is available on request for U.S. food and pharma use. Particle size and other grade details follow the producer's specification, on request.
Which documents come with riboflavin 5'-phosphate sodium?
Every delivery ships with a COA linked to the delivered lot. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request.
What does the sample spec sheet show?
Limits for assay, loss on drying, sulphated ash, inorganic phosphate, subsidiary colouring matters, primary aromatic amines, arsenic, lead, mercury and cadmium, taken from EU Regulation 231/2012. Actual values depend on the producer; the producer's specification and the lot COA are available on request.
How do I get a quote?
Send us the grade, quantity and delivery location through the quote form or at [email protected]. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Related vitamins
Ascorbyl PalmitateVitamin B2, RiboflavinVitamin EAll vitamins
Need riboflavin 5'-phosphate sodium?
Send us the grade, quantity and delivery location. Email [email protected] or call +1 (713) 766-6811.