5,5’-Indigodisulfonic Acid Disodium Salt (Technical Grade)
cas: 860-22-0 — see every product listed under this CAS number, including other names
5,5’-Indigodisulfonic Acid Disodium Salt (Technical Grade) (CAS 860-22-0) is a chemical reagent available from Chemat. Available pack sizes: 25g. Offered by: TRC.
| brand | TRC |
|---|---|
| catalog number | TRC-I521300-25G |
| cas | 860-22-0 |
| size | 25g |
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Available pack sizes
| brand | size | price | |
|---|---|---|---|
| TRC | 25g | price on request |
properties
| purity | No data |
|---|---|
| delivery time | To be confirmed by Chemat |
Indigo carmine is an organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It is an indicator at pH 11.5-14, changing from blue to yellow. It has a role as a two-colour indicator, a histological dye and a food colouring. It contains an indigo carmine(2-).
Source: ChEBI
| Molecular formula | C16H8N2Na2O8S2 |
|---|---|
| Molecular weight | 466.4 g/mol |
| IUPAC name | disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate |
| InChIKey | JFVXEJADITYJHK-UHFFFAOYSA-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+] |
Computed by PubChem (NCBI)