| Customization: | Available |
|---|---|
| CAS No.: | 83-88-5 |
| Formula: | C22h24n2o8 |
|
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Product Name
|
Vitamin B2(Riboflavin Sodium Phosphate) |
| CAS No. | 130-40-5 |
|
Appearance
|
Orange Powder
|
|
Specification
|
98%
|
| Application | Raw materials of nutritional supplements |
| Product name | Vitamin B2/riboflavin powder | |
| Items | Specifications | Results |
| Description | Yellow or orange-yellow, crystalline, hygroscopic powder. | Conform |
| Identification | Positive | Conform |
| PH | 5. 0~6. 5 | 6. 1 |
| Loss on drying | ≤7. 5% | 3. 8% |
| Specific optical rotation | +37.0° ~+42.0° | +40.2° |
| Lumiflavin | A440nm≤ 0. 025 | 0. 010 |
| Free Riboflavin | ≤6. 0% | 3. 5% |
| Riboflavin Diphosphates | ≤6. 0% | 0. 9% |
| Free Phosphate | ≤ 1. 0% | Conform |
| Residue on ignition | ≤25. 0% | 20. 1% |
| Inorganic phosphate | -- | -- |
| Organic volatile Impurities | Meets the Requirements | Conform |
| Heavy metals | -- | -- |
| Assay (On Dried Basis) | 73.0%~79.0% | 77. 37% |
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