Acid brown 235 化学特性,用途語,生産方法
製造方法
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, Coupled with resorcinol; 4-Nitrobenzenamine and 4-nitro-4′-aminoazobenzene-2-sulfonic acid?diazo, respectively, and the above product matches.
Properties and Applications
dark brown. Mainly used for leather shading.
Acid brown 235 上流と下流の製品情報
原材料
準備製品