Carmoisine-impurities | Pharmaffiliates

carmoisine and its Impurities

Azorubine is a red solid. It is mainly used in foods that are heat-treated after fermentation. It is an azo dye consisting of two naphthalene subunits. In the US, this color was listed in 1939 as D&C Red No. Reference standards of Carmoisine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

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PA 56 06000

Carmoisine - API


  • Catalogue No.:PA 56 06000

  • CAS :


  • Molecular Formula : C20H12N2NaO7S2

  • Molecular Weight : 502.43