disodium 2-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]benzoate price, total count: 1
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2023-02-23 17:58:05
Purity: 98.0%
Product Detail: disodium 2-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]benzoate