Metal-complex Dyes

Metal-complex dyes are a family of

dye A dye is a colored substance that chemically bonds to the substrate to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally applied in an aqueous solution an ...

s that contain metals coordinated to the organic portion. Many

azo dyes Azo dyes are organic compounds bearing the functional group R−N=N−R′, in which R and R′ are usually aryl and substituted aryl groups. They are a commercially important family of azo compounds, i.e. compounds containing the C-N=N ...

, especially those derived form

naphthol Naphthol may refer to: * 1-Naphthol * 2-Naphthol {{Short pages monitor