4-Hydroxy-3-(p-nitrophenylazo)-5-[2,4-dihydroxy-3,5-bis(p-nitrophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid disodium salt price, total count: 1
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2021-07-26 18:31:45
Purity: 98.0%
Product Detail: 4-Hydroxy-3-(p-nitrophenylazo)-5-[2,4-dihydroxy-3,5-bis(p-nitrophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid disodium salt