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Indigo Carmine (IC), commonly known as acid blue 74 or food blue 1 or FD and C blue 2 is a blue synthetic dye. It is used as a redox indicator in analytical chemistry and as a microscopic stain in biology. IC is also employed as a photometric detector.
- Indigo carmine - Sigma-Aldrich
Indigo carmine. Synonym (s): Acid Blue 74,...
- Indigo carmine | Sigma-Aldrich - MilliporeSigma
Find indigo carmine and related products for scientific...
- Indigo carmine - Sigma-Aldrich
Indigo carmine. Synonym (s): Acid Blue 74, Indigo-5,5′-disulfonic acid disodium salt, Indigocarmine. Empirical Formula (Hill Notation): C16H8N2Na2O8S2. CAS Number: 860-22-0. Molecular Weight: 466.35.
Find indigo carmine and related products for scientific research at MilliporeSigma.
Indigo carmine (C.I. 73015) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. SDS. CoA. CAS #: 860-22-0 EC Number: 212-728-8 Molar Mass: 466.36 g/mol Hill Formula: C₁₆H₈N₂Na₂O₈S₂. View Products on Sigmaaldrich.com.
CAS: 860-22-0 MDL: MFCD00005723 EINECS: 212-728-8 Synonyms: Acid Blue 74, Food blue No. 2, FD and C Blue No. 2, 5,5'-Indigodisulphonic Acid, Disodium Salt, FD&C Blue #2, Carmine Blue, CI 73015
Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by aromatic sulfonation, which renders the compound soluble in water. It is approved for use as a food colorant in the United States and European Union to produce a blue color.
Indigo carmine is a contrast dye which helps in highlighting mucosal changes. It accumulates in crevices, cysts and foveolae and stains the tissue blue. The abnormal tissue remains translucent pink.
