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RIBOFLAVIN

Product Code: 05580


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%

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