β-p-chloroazoxybenzene;(4-chloro-phenyl)-phenyl-diazene (E)-N-oxide;N-(4-chloro-phenyl)-N'-phenyl-diazene-N-oxide;N-(4-Chlor-phenyl)-N'-phenyl-diazen-N-oxid;<4-Chlor-cis-benzolazoxy>-benzol oder 4-Chlor-1-cis-benzolazoxy-benzol;trans-N-Phenyl-N'-<4-chlor-phenyl>-diimid-N'-oxid;N'-Phenyl-N-<4-chlor-phenyl>-diimid-N-oxid
Perfluoroalkyl azo dyes were prepared by the reaction of azo compounds with bis(perfluoroalkanoyl) peroxides. The absorption spectra and melting points of the perfluoroalkyl azo dyes were also examined.