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RIBOFLAVIN For Biochemistry

Confirms to IP
Vitamin B2

COAs

Packings

5 g (00005)

10 g (00010)

25 g (00025)

1GBA000015 1PB1200060 1PB1200100
Print friendly version
Article No. 05580 Grade For Biochemistry
Purity 98% CAS No. 83-88-5
Molecular Formula C17H20N4O6 Molecular Weight 376.37
H.S. Code 2936.2310 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

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%
Revision Date: 08-May-2023

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