2,7-naphthalenedisulfonic acid, 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophen
disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
CAS: 6637-87-2
Molecular Formula: C28H15N9Na2O16S2