Chemical Properties
| Melting point | 147-158 °C(lit.) |
| Boiling point | 395.56°C (rough estimate) |
| density | 1.1790 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| form | Powder |
| color | Dark, rusty brown |
| IARC | 3 (Vol. 8, Sup 7) 1987 |
| EPA Substance Registry System | 1,3-Benzenediamine, 4-[2-(1-naphthalenyl)diazenyl]- (6416-57-5) |