Direct Yellow 34 price

Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended

Updated Date: 2021-07-26 18:31:53

Purity: 98.0%

Product Detail: tetrasodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate)