4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid CAS No.:90-20-0 Molecular Formula:C10H9NO7S2 Molecular Weight:319.311 Melting Point: Flash Point: Sent E-mail INQUIRY ←[Previous:4-Fluoro-2-methylbenzaldehyde] [Next:2,4-Dihydroxybenzaldehyde]→