Description: A fine, orange yellow, crystalline powder having a slight odor. It is hygroscopic. It is soluble in water, practically insoluble in alcohol, chloroform and ether.
Usage: Food additive. Nutrient, Dietary supplement. Storage and Transportation: It must be stored in dry, cool and ventilation place.
The standards of Riboflavin Sodium Phosphate Item Specifications (USP30) Specifications (BP2007) Specifications (CP2005)
Appearance A yellow or orange Yellow crystalline powder A yellow or orange Yellow crystalline powder Orange yellow Crystalline powder
Identification Conform Conform Conform Loss on drying, % Max7.5 Max8 Max10 Specific rotation +37° ~+42° +38° ~+43° +38° ~+42° Lumiflavine Max0.025 By6 Max0.025 Free Riboflarin Max6.0 Max6.0 / Riboflarin Diphosphate Max6.0 Max6.0 / Inorganic phosphate Max1.0 Max1.5 Max1.5 Assay(on dried basis), % 73~79 73~79 74~79 Heavy metals(ppm) / Max10 / Organic volatile impurities Passes / / Reside on ignition, % Max25.0 / / pH 5.0~6.5 5.0~6.5 4.0~6.5 Clarity / / Passes