Customization: | Available |
---|---|
Certification: | QS, CCC, RoHS, ISO, CE |
Element: | Vitamin B |
Still deciding? Get samples of US$ 35/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Product Name | Riboflavin |
Product Name | Riboflavin (Vitamin B2) |
CAS No. | 83-88-5 |
Molecular Formula | C17H20N4O6 |
Molecular Weight | 376.37 |
Quality Standard | USP30/BP2007 |
Packing | 25kgs drums with two PE liner bags |
Shelf Life | 2years |
Storage | It must be stored in dry, cool and ventilation place. |
ITEM | BP2007 |
Appearance | A yellow or orange yellow crystalline powder |
Identification | Conform |
Specific rotation, ° | -115 ~ -135 |
Assay (on dried basis, %) | 97.0 ~ 103.0 |
Loss on drying (%) | ≤1.5 |
Residue on ignition (%) | ≤0.1 |
Organic volatile impurities | / |
Acidity or alkalinity(PH) | Meets the requirements |
Lumiflavine | ≤0.025 |
Absorbance | A373nm/A267nm=0.31~ 0.33 A444nm/A267nm=0.36~ 0.39 |