Cat. Name CAS. Structure Purity
M026495 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4 112484-44-3 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-h ≥ 95%