91673-26-6 EINECS 294-141-7 Ferrate(1-), bis(2-((4-amino-2-hydroxyphenyl)azo)-4-chlorophenolato(2-))-, N,N,N',N'-tetrakis(mixed 3-butoxy-2-hydroxypropyl and 3-(C8-10-alkyloxy)-2-hydroxypropyl) derivs., hydrogen, compds. with N-butyl-1-butanamine (1:1)