4P-NPB
				    						    	| Chemical Name | N,N' -Di-(1-naphthalenyl)-N,N' -diphenyl-[1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-diamine | 
|---|---|
| CAS No. | 948552-24-7 | 
| Grade | Sublimed >99% | 
| Formula | C56H40N2 | 
| M.W. | 740.93 g/mole | 
| UV | 351 nm (in CH2Cl2) | 
| PL | 422 nm (in CH2Cl2) | 
| TGA | >380 ?XC (0.5% weight loss) | 
