abstract |
N=N-(6-X-1,3-PHENYLENE)-CO-NH-ARYL WHEREIN X IS HYDROGEN, CHLORINE, METHYL, OR METHOXY; ARYL IS PHENYL, OR PHENYL SUBSTITUTED BY CHLORINE, LOWER ALKYL, LOWER ALKOXY OR TRIFLUOROMETHYL; AND Z IS HYDROGEN HALOGEN, LOWER ALKOXY OR CYANO. 9-(O=)-ACRID-2-YL-NH-CO-(2-(HO-),6-Z-(NAPHTHAL-3,8-YLENE)- 1. AN AZO PIGMENT OF THE FORMULA |