70693-55-9 Benzenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, compd. with N-octyl-1-octanamine (1:1) Benzenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, dioctylamine salt EINECS 274-771-9 p-((2-Hydroxy-1-naphthyl)azo)benzenesulphonic acid, compound with dioctylamine (1:1)