92908-56-0 Benzenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, compd. with 2-ethyl-N-(2-ethylhexyl)-1-hexanamine (1:1) EINECS 296-670-9 p-((2-Hydroxy-1-naphthyl)azo)benzenesulphonic acid, compound with 2-ethyl-N-(2-ethylhexyl)hexylamine (1:1)