PRODUCT Properties
| Melting point: | 144 °C (dec.)(lit.) | 
                                    
| Boiling point: | 335.53°C (rough estimate) | 
                                    
| Density | 1.1447 (rough estimate) | 
                                    
| refractive index | 1.6330 (estimate) | 
                                    
| storage temp. | -20°C Freezer, Under inert atmosphere | 
                                    
| solubility | Chloroform (Slightly, Heated, Sonicated), DMSO (Slightly, Sonicated) | 
                                    
| pka | -3.56±0.20(Predicted) | 
                                    
| form | Solid | 
                                    
| color | Green plates with bluish luster (from benzene) orsteel-blue prisms or plates (from ether + H2O) | 
                                    
| Merck | 14,6639 | 
                                    
| CAS DataBase Reference | 156-10-5(CAS DataBase Reference) | 
                                    
| IARC | 3 (Vol. 27, Sup 7) 1987 | 
                                    
| EPA Substance Registry System | p-Nitrosodiphenylamine (156-10-5) | 
                                    
Description and Uses
4-?Nitrosodiphenylamine is used in organic synthesis such as in the preparation of 1-(Phenylamino)pseudo-mauveine water soluble dye. Potential mutagenic compound.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319 | 
| Precautionary statements | P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313 | 
| Hazard Codes | Xn | 
| Risk Statements | 22-36/38 | 
| Safety Statements | 26-36/37 | 
| RIDADR | 2811 | 
| WGK Germany | 3 | 
| RTECS | JK0175000 | 
| HazardClass | 6.1(b) | 
| PackingGroup | III | 
| HS Code | 29214200 | 
| Hazardous Substances Data | 156-10-5(Hazardous Substances Data) | 
| Toxicity | LD50 intravenous in mouse: 178mg/kg | 







