Indigo carmine
Product Specifications
CAS Number
860-22-0
Synonyms
Indigotine, 5,5′-indigodisulfonic acid sodium salt, Brilliant Indigo
Target
Others
Applications
Others
Smiles
C1=CC2=C (C=C1S (=O) (=O) [O-]) C (=C (N2) C3=NC4=C (C3=O) C=C (C=C4) S (=O) (=O) [O-]) O.[Na+].[Na+]
Molecular Formula
C16H8N2Na2O8S2
Additionnal Information
Indigo carmine (Indigotine, 5,5′-indigodisulfonic acid sodium salt, Brilliant Indigo) is an indicator at pH 11.5-14, changing from blue to yellow. It has a role as a food colouring and a histological dye.
Storage Conditions
3 years -20°C powder
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