sodium (5or8)-[(4-hydroxy-2-methylphenyl)azo]-(8or5)-(phenylazo)naphthalene-2-sulphonate price, total count: 1
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2023-02-22 14:18:26
Purity: 98.0%
Product Detail: sodium (5or8)-[(4-hydroxy-2-methylphenyl)azo]-(8or5)-(phenylazo)naphthalene-2-sulphonate