Product Datasheet and Specification
02256
Riboflavin 99% For Biochemistry
Confirms to BP Vitamin B2
CAS : 83-88-5
HS Code : 2936.23100
Molecular Formula : C17H20N4O6
Molecular Weight : 376.37
Shelf Life : 60 Months
Specifications
Appearance
A yellow to orange yellow crystalline powder |
Solubility
Very slightly soluble in water, practically insoluble in ethanol (96 per cent) |
Assay (spectrophotometric; on dried basis)
98 - 101% |
Identification 'A' & 'B'
To pass IP tests |
pH
5.5 to 7.2 |
Specific optical rotation
-115° to -135° |
Light absorption
- |
at A373 nm/A267 nm
0.31 - 0.33 |
at A444 nm/A267 nm
0.36 - 0.39 |
Lumiflavine
To pass IP test |
Loss on drying (at 105°C)
Max 1.5% |
Sulphated ash
Max 0.1% |