Beschreibung
1-Naphtholphthalein, extra pure, Molar mass (M) 418,45 g/mol, CAS No. 596-01-0, EC No. 209-875-5, Empirical formula C28H18O4
Technical Information
| Absorption maximum | 648 – 654 nm (0,1 N NaOH) |
| Colour conversion | pink - blue |
| Transition range pH | 7,1 - 8,3 |