Carmoisine .

The Carmoisine is often used when the food is heat-treated. It is a synthetic food dye used to give food products their red coloring. It is made from disodium salt. It is synthetic acid dye that contains NN and CC chromophore groups and is in form of red dye. Being soluble in water, Synthetic Carmoisine Food Color comes with melting point of >300 C. Carmoisine is an azo dye. It is very effective and made for industrial uses.