 |
| Menge: | |
|---|---|
DY1159
135-51-3
205-196-3
C10H8O7S2.2Na
disodium 3-hydroxynaphthalene-2,7-disulphonate
| Index Name | Specifications |
| Appearance | Light gray powder |
| Assay | 80%min |
| Schaeffer's Salt | 1.5%max |
| Free acid | 2.0%max |
| Index Name | Specifications |
| Appearance | Light gray powder |
| Assay | 80%min |
| Schaeffer's Salt | 1.5%max |
| Free acid | 2.0%max |