| ≥1 piece |
1. ISO9001,ISO14001,GMP PLANT
3. FOOD GRADE
4. GOOD TECH SERVICE
2. HACCP,HALAL,KOSHER CERTIFICATE APPROVED
Product Name: riboflavin ,VB2,Vitamin B2
CAS No: 83-88-5
Molecular Formula: C 17 H 20 N 4 O 6
Molecular Weight: 376.37
Desciption: It is yellow or orange-yellow crystalline powder, a little bitter, a little odor, m.p.280(decomposition). It very slightly dissolves in wter and practically in insoluble in alcohol, easily dissolves in NaOH solution.
Usage: Food additive, food enhanced function.
Storage and Transportation: It must be stored in dry, cool and ventilating place.
| The standard of Riboflavin (VB2) | |||
| Item | Targets (USP30) | Targets(BP2007) | Targets(GB14752-93) |
| Appearance | A yellow or orange yellow crystalline powder | A yellow or orange yellow crystalline powder | A yellow or orange yellow crystalline powder |
| Identification | Conform | Conform | Conform |
| Loss on drying, % | ≤1.5 | ≤1.5 | ≤1.5 |
| Residue on ignition,% | ≤0.3 | ≤0.1 | ≤0.3 |
| Specific roation, | -115~-135 | -115~-135 | -120~-140 |
| Lumifavine,% | 440nm Absorbance≤0.025 | 0.025 | 0.025 |
| Absorbance | / | A373nm/A267nm=0.31~0.33 A444nm/A267nm=0.36~0.39 | / |
| Organic volatile impurities | Meet the requirements | / | / |
| Acidity or alkalinity,PH | / | Meet the requirements | / |
| Assay (on dried basis) | 98.0~102.0 | 97.0~103.0 | 98.0~102.0 |
| CAS No.: 83-88-5 | Other Names: Vitamin B2 | MF: C17H20N4O6 |
| Place of Origin: Shanxi China (Mainland) | Type: Other | Model Number: Food grade |
| colore: yellow or orange-yellow |