| Melting point |
124°C |
| Boiling point |
380.33°C (rough estimate) |
| Density |
1.1633 (rough estimate) |
| refractive index |
1.6470 (estimate) |
| solubility |
Solubility Virtually insoluble in water; slightly soluble in ethanol; soluble in acetone, benzene,ethyl acetate, toluene, xylene |
| Colour Index |
11350 |
| pka |
2.70(at 25℃) |
| form |
crystals |
| color |
Dark red |
| PH Range |
Red (3.7) to yellow (5.0) |
| λmax |
439nm |
| Major Application |
Display device, semiconductor, sensors, photosensitive materials, recording materials, fooding materials, imaging materials, inks, engraving coatings, lubricants, hair dyes, food storage, dental materials |
| CAS DataBase Reference |
131-22-6(CAS DataBase Reference) |
| EPA Substance Registry System |
1-Naphthalenamine, 4-(phenylazo)- (131-22-6) |
