

Chromotropic acid disodium salt dihydrate
Product name: Chromotropic acid disodium salt dihydrate
Synonym(s): 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt
CAS Number: 5808-22-0
Introduction
grade | reagent grade |
Quality Level | 200 |
assay | ≥95.0% |
impurities | 8-10% water |
mp | >300 °C (lit.) |
functional group | sulfonic acid |
SMILES string | O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O |
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 |
InChI key | QUEAKWJKJBFNEG-UHFFFAOYSA-L |