Indigo Carmine 5,7’-Isomer

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Catalogue number:	PA 27 0022870
Chemical name:	Indigo Carmine 5,7’-Isomer
CAS Number:	27414-68-2
Category:	miscellaneous compounds
Synonyms:	Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,7'-disulfonate; 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-7-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt (1:2); 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-7-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt; [Δ2,2′-Biindoline]-5,7′-disulfonic acid, 3,3′-dioxo-, Disodium Salt;
Molecular form:	C₁₆H₈N₂Na₂O₈S₂
Appearance:	Dark Purple to Very Dark Purple Solid
Mol. Weight:	466.35
Storage:	2-8°C Refrigerator
Shipping Conditions:	Ambient
Applications:	Indigo Carmine 5,7’-Isomer (>90%) is an analog of 5,5’-Indigodisulfonic Acid Disodium Salt and synthesized from Indigo. Indigo is a chemical compound used as a dye in industrial clothing and textile processes. Also used in the synthesis of organic semiconductors.