PRODUCT Properties
| 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) |
Safety
| Symbol(GHS) | ![]() GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| RTECS | QJ0360000 |
| HS Code | 2927.00.5000 |
| Toxicity | mma-sat 500 mg/plate AEMIDF 42,641,81 |





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