4-Hydroxy-3-(p-nitrophenylazo)-5-[2,4-dihydroxy-3,5-bis(p-nitrophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid 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: 4-Hydroxy-3-(p-nitrophenylazo)-5-[2,4-dihydroxy-3,5-bis(p-nitrophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid disodium salt

Updated Date: 2021-07-26 18:31:45

Price: $Inquiry/100g