PRODUCT Properties
| Density | 1.3588 (rough estimate) |
| refractive index | 1.6500 (estimate) |
| pka | pK1: 1.71 (25°C) |
| Water Solubility | 4.1g/L(20 ºC) |
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 1-amino- (81-06-1) |
![6-Amino-2-(2-hydroxyethyl)-1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5-sulfonicacid](https://img.chemicalbook.com/StructureFile/ChemBookStructure2/GIF/CB1724923.gif)
