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| Customization: | Available |
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| CAS No.: | 130-40-5 |
| Formula: | C17h24n4nao11p |
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Riboflavin-5-phosphate sodium
CAS:130-40-5
Riboflavin sodium phosphate is an organic compound that is an orange yellow crystalline powder, almost odorless, and has hygroscopicity. Mainly used as a food fortifier, edible yellow pigment, and also as a water-soluble preparation of vitamin B2.
| Test items | USP2021 | Test results | Test method |
| Description | Yellow to orange yellow crystalline powder |
Conforms | Visual |
| Identification | Be Positive | Positive | USP 191 |
| pH | 5.0~6.5 | 6.4 | USP 791 |
| Specific rotation | +37.0 °~+42.0 ° | +37. 1 ° | USP 781S |
| Limit Of Lumiflavin | ≤ 0.025 | 0.011 | USP 857 |
| Free Riboflavin or Riboflavin di-Phosphate |
≤6.0% | 4.9% 4.9% |
USP 621 |
| Free Phosphate | A sample solution ≤ A control solution ( NMT 1% as PO4 ) |
Conforms |
USP 857 |
| Loss on drying | ≤7.5% | 5.56% | USP 731 |
| Residue on ignition | ≤25.0% | 21.9% | USP 281 |
| Assay | 73.0%~79.0% | 74.8% | USP 853 |
| Aerobic Plate Count | ≤1000CFU/g | <1000CFU/g | USP 2021 |
| Yeast&moulds | ≤100 CFU/g | <100 CFU/g | USP 2021 |
| Coliforms | Negative | Conforms | GB 4789.3-2016 |
| Conclusion : Passed test according to the Standard of USP2021 | |||

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