Tetra![2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt](https://thsciimg.chemcd.cn/TS75989.gif)
Chemical Name : 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt
CAS : 6428-38-2
Synonyms: Direct black 32
![4-(2-Nitro-1-ethenyl)-2,3,6,7-tetrahydrobenzo[1,2-b:4,5-b']difuran](https://thsciimg.chemcd.cn/TS53455.gif)
