1. Primary Information
| English name: | Eriochrome black t |
| CAS No.: | 1787-61-7 |
| Molecular formula: | C20H12N3NAO7S |
| Molecular weight: | 461.4 g/mol |
| SMILES: | C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+] |
| Structural class: | |
| Other identifiers: |
C.I. mordant black 11 Eriochrome Black T |
2. Suppliers & Pricing
| Supplier | Pack size | Purity | Price (CNY) | Storage conditions | Lead time | Notes |
| Kehua Intelligence | 25g | IND | 16 | RT | in stock | - |
| Kehua Intelligence | 100g | IND | 40 | RT | in stock | - |
| Kehua Intelligence | 500g | IND | 152 | RT | in stock | - |
3. Structures
3.1 2D structure
3.2 3D structure
4. International Nomenclature & Identifiers
4.1 IUPAC Name
sodium;3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
4.2 InChI
InChI=1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1
4.3 InChIKey
AMMWFYKTZVIRFN-UHFFFAOYSA-M
4.4 Canonical SMILES
C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+]
4.5 Isomeric SMILES
-