Cat. Name CAS. Structure Purity
M028925 2,7-Naphthalenedisulfonic acid, 5-amino-3-4-4-(8-a 124605-82-9 2,7-Naphthalenedisulfonic acid, 5-amino-3-4-4-(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo-2-me ≥ 95%