sodium 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-6(or7)-(phenylamino)naphthalene-2-sulphonate price, total count: 1
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2021-07-26 18:31:54
Purity: 98.0%
Product Detail: sodium 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-6(or7)-(phenylamino)naphthalene-2-sulphonate