1. Primary Information
| English name: | Chromotropic acid disodium salt dihydrate |
| CAS No.: | 5808-22-0 |
| Molecular formula: | C10H10NA2O10S2 |
| Molecular weight: | 400.3 g/mol |
| SMILES: | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+] |
| Structural class: | |
| Other identifiers: |
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2. Suppliers & Pricing
| Supplier | Pack size | Purity | Price (CNY) | Storage conditions | Lead time | Notes |
| Kehua Intelligence | 5g | 高纯,98% | 40 | RT,避光 | in stock | - |
| Kehua Intelligence | 25g | 高纯,98% | 152 | RT,避光 | in stock | - |
| Kehua Intelligence | 100g | 高纯,98% | 432 | RT,避光 | in stock | - |
| Kehua Intelligence | 500g | 高纯,98% | 1960 | RT,避光 | in stock | - |
3. Structures
3.1 2D structure
3.2 3D structure
4. International Nomenclature & Identifiers
4.1 IUPAC Name
disodium;4,5-dihydroxynaphthalene-2,7-disulfonate;dihydrate
4.2 InChI
InChI=1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2/q;2*+1;;/p-2
4.3 InChIKey
QUEAKWJKJBFNEG-UHFFFAOYSA-L
4.4 Canonical SMILES
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+]
4.5 Isomeric SMILES
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