5-[[2,4-dihydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid Suppliers

There are 1 suppliers：

Dayang Chem (Hangzhou) Co., Ltd. Recommended

Aera: China(Mainland)

Contact: Ms Wang

Phone: +86-571-8893-8639

Email: enquiry@dycnchem.com

Product Name: 5-[[2,4-dihydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid

Updated Date: 2021-07-26 18:31:50

Price: $Inquiry/100g