
CI 73015
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CI 73015 is a disodium salt, synthetic blue dye also called Acid Blue 74, Indigo carmine and others. It is produced by the condensation of 2-formylbenzenesulphonic acid and aniline with a subsequent oxidation process. Mixed with tartrazine (E102) it can produce various shades of green. Chemical Industrial Synthesis Process Preparation of reagents....