PRODUCT Properties
| Melting point: | 152-155 °C | 
                                    
| Boiling point: | 510.5±30.0 °C(Predicted) | 
                                    
| Density | 1.17±0.1 g/cm3(Predicted) | 
                                    
| storage temp. | room temp | 
                                    
| solubility | ethanol: 1mg/mL | 
                                    
| Colour Index | 12010 | 
                                    
| pka | 8.39±0.40(Predicted) | 
                                    
| form | powder | 
                                    
| color | brown to dark brown | 
                                    
| LogP | 3.824 (est) | 
                                    
| EPA Substance Registry System | 1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- (6535-42-8) | 
                                    
Description and Uses
Fat Brown B is a stain/dye. Dyes and metabolites.
Safety
| WGK Germany | 3 | 





