Catalogue Number: S5653-SEL
| Manufacturer: | Selleck Chemicals |
| Shelf Life: | 36 months |
| Molecular Formula: | C16H8N2Na2O8S2 |
| Type: | Biochemicals |
| Alias: | Indigotine, 5,5'-indigodisulfonic acid sodium salt, Brilliant Indigo |
| Shipping Condition: | Blue Ice |
| Unit(s): | 25 mg |
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.
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+]
3 years -20°C powder