| Patent Blue V (Powder) | Vidhi Dyestuffs Mfg. Ltd | Patent Blue V (Powder), European permitted synthetic food color, is a reduced dusting Granular water soluble dye powder, free from lumps or visible impurities. It has a pure dye content no lower than 85% and the C.I. Patent Blue V consists essentially of the calcium or sodium compound of [4-(α-(4-diethylaminophenyl)-5-hydroxy-2,4-disulfophenyl-methylidene)2,5-cyclohexadien-1-ylidene] diethylammonium hydroxide inner salt and subsidiary colouring matters together with sodium chloride and/or sodium sulfate and/or calcium...view more Patent Blue V (Powder), European permitted synthetic food color, is a reduced dusting Granular water soluble dye powder, free from lumps or visible impurities. It has a pure dye content no lower than 85% and the C.I. Patent Blue V consists essentially of the calcium or sodium compound of [4-(α-(4-diethylaminophenyl)-5-hydroxy-2,4-disulfophenyl-methylidene)2,5-cyclohexadien-1-ylidene] diethylammonium hydroxide inner salt and subsidiary colouring matters together with sodium chloride and/or sodium sulfate and/or calcium sulfate as the principal uncoloured components. The color index number is 42051. The chemical formula is C27H31N2O7S2Na and the molecular weight is 582,67. view less |
