Indigo carmine
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.
| Trivial name | Indigotine, 5,5′-indigodisulfonic acid sodium salt, Brilliant Indigo |
| Catalog Number | S5653 |
| Molecular Formula | C16H8N2Na2O8S2 |
| CAS# | 860-22-0 |
| Inchi | InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;; |
| Inchi Key | KHLVKKOJDHCJMG-QDBORUFSSA-L |
| 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+] |
| Size | 25mg |
| Supplier Page | http://www.selleckchem.com/products/indigo-carmine.html |
| Additional Information | https://file.selleck.cn/downloads/struct/indigo-carmine-chemical-structure-s5653.gif |