2,7-Naphthalenedisulfonic acid, 4-[[3-[(3-amino-4-nitrophenyl) azo]-2,4-dihydroxyphenyl]azo]-5-hydroxy-, disodium salt 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: 2,7-Naphthalenedisulfonic acid, 4-[[3-[(3-amino-4-nitrophenyl) azo]-2,4-dihydroxyphenyl]azo]-5-hydroxy-, disodium salt

Updated Date: 2022-06-25 02:13:50

Price: $Inquiry/100g