1. Primary Information
| English name: | Brilliant Yellow |
| CAS No.: | 3051-11-4 |
| Molecular formula: | C26H18N4NA2O8S2 |
| Molecular weight: | 624.6 g/mol |
| SMILES: | C1=CC(=CC=C1N=NC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)N=NC4=CC=C(C=C4)O)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
| Structural class: | |
| Other identifiers: |
brilliant yellow C.I. Direct Yellow 4 Direct Yellow 4 dye Direct Yellow 4 dye dipotassium salt Direct Yellow 4 dye disodium salt |
2. Suppliers & Pricing
| Supplier | Pack size | Purity | Price (CNY) | Storage conditions | Lead time | Notes |
| Kehua Intelligence | 100mg | HPLC≥98% | 224 | 2-8℃ | in stock | - |
| Kehua Intelligence | 5g | IND | 112 | 2-8℃ | in stock | - |
| Kehua Intelligence | 25g | IND | 480 | 2-8℃ | in stock | - |
3. Structures
3.1 2D structure
3.2 3D structure
4. International Nomenclature & Identifiers
4.1 IUPAC Name
disodium;5-[(4-hydroxyphenyl)diazenyl]-2-[(E)-2-[4-[(4-hydroxyphenyl)diazenyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
4.2 InChI
InChI=1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+,29-27?,30-28?;;
4.3 InChIKey
YLDIUICHQPKMNH-ZFEDVODKSA-L
4.4 Canonical SMILES
C1=CC(=CC=C1N=NC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)N=NC4=CC=C(C=C4)O)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]
4.5 Isomeric SMILES
C1=CC(=CC=C1N=NC2=CC(=C(C=C2)/C=C/C3=C(C=C(C=C3)N=NC4=CC=C(C=C4)O)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]
