Indigo Carmine Synthetic Color

The offered Indigo Carmine is organic sodium salt that resulting from formal condensation of acid form with two equivalents of sodium hydroxide. We are engaged in manufacturing the Indigo Carmine which is known as synthetic color, although it is used to be extracted from plants of the genus Indigofera and approved for use as a food colorant in the U.S and E.U. It comprises of a mixture of disodium 3,3' - dioxo-2,2' - bi-indolyldene-5,7' –disulfonate, disodium 3,3' dioxo - 2,2' -bi-indolylidene-5,5' - disulfonate, subsidiary coloring matters along with sodium chloride/sodium sulfate as principal uncolored component.

Indigo Carmine Food Color Specification