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Indigo Carmine principally composed 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 as well as sodium chloride/sodium sulfate as principal uncolored component. The organic compounds other than coloring matters it uses include 5-sulfoanthranilic acid; Anthranilic acid and Isatin-5-sulfonic acid (Total not more than 0.5%). Megha International is one of the reliable manufacturers and exporters of Indigo Carmine in the industry. This product is highly suitable for attaining desired shades in fabric.
Some of the notable features of Indigo Carmine are: