2(Or 5)-dodecyl-5(or 2)-(sulphophenoxy)benzenesulphonic acid, compound with 4-((4-(dimethylamino)phenyl)(4-(phenylimino)-4H-naphthalen-1-ylidene)methyl)-N,N-dimethylaniline (1:2) 94481-57-9 EINECS 305-384-6