4,4'-bis[(4-hydroxy-3-methylphenyl)azo]stilbene-2,2'-disulphonic acid price, total count: 1
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2022-02-12 22:51:33
Purity: 98.0%
Product Detail: 4,4'-bis[(4-hydroxy-3-methylphenyl)azo]stilbene-2,2'-disulphonic acid