Title: 1-Naphthol-4,8-disulfonic Acid
CAS Registry Number: 117-56-6
CAS Name: 4-Hydroxy-1,5-naphthalenedisulfonic acid
Additional Names: a-naphtholdisulfonic acid S; Schöllkopf's acid
Molecular Formula: C10H8O7S2
Molecular Weight: 304.30
Percent Composition: C 39.47%, H 2.65%, O 36.80%, S 21.07%
Literature References: Prepd by sulfonation of 1-naphthol-8-sulfonic acid sultone: I. G. Farbenindustrie, PB 74197, frames 828-829.
Properties: Crystals. Soluble in water. The sodium salt is very soluble in water. |