o-Phenylenediamine is an organic compound with the formula C6H4(NH2)2. This aromatic diamine is an important precursor to many heterocyclic compounds.
| Oil Red O, Certified- Specification | |
| Synonyms | 1,2-Diaminobenzene, 1,2-Phenylenediamine, OPD, o-Phenylenediamine |
| Categories | Nitrogen compounds, Amines |
| Grade | Synthesis |
| Appearance (Form) | Flakes to solid |
| Appearance (Colour) | Pale brownish to brown |
| Boiling point | 256-258 °C |
| Melting point | 98-102 °C |
| HSN Code | 292151.10 |