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Riboflavin 99% For Biochemistry
Confirms to BP Vitamin B2

Product Code.
02256
Grade
For Biochemistry
Purity
99%
CAS No.
83-88-5
Molecular Formula
C17H20N4O6
Molecular Weight
376.37
H.S.Code
2936.23100
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
Orange yellow powder
Odour
Slight odour
pH value
6
Melting point/ Freezing point [°C]
280°C

Packaging

Specification

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%

Safety Information and Hazard Symbols