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Molecular structure of the pigments

Hangzhou Fancheng Chemical Co.,Ltd | Updated: Jan 05, 2017
Carbon chains or carbon rings are always present in the molecules of the Organic Pigments. As carbon element is associated with nitrogen and sulphur elements of the same class of the atomic table, so, sometimes in the molecules of the organic pigments, the atoms of nitrogen and sulphur atoms are also found along with the carbon atoms. Examples: Azo, pythalocyanine, diazo and anthraquinone pigments. In the molecules of the Inorganic Pigments, the cations of metal are found in an array form with the non-metallic anions. This arrangement doesn't allow these pigments to dissolve in the solvent and plastic. Examples: Iron oxide yellow, black, red and tan pigments.