One of a family of organic acid azo pigments prepared by coupling the diazonium salt of o-chloro-m-toluidine-p-sulfonic acid with β-naphthol. Both sodium and barium salts of the parent dye are used.
Hangzhou ZeErRui Chemical Co., Ltd. Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square me.. Tianjin YR ChemSpec Technology Co.,Ltd. YR Chemspec?is a qualified manufacturer and supplier which audited and approved by SGS and ISO,we are strictly foll..