Amine salts of disazo black dyes having good solubility in polar organic solvents

摘要

A compound of the Formula (1): ##STR1## wherein R is H, SO.sub. 3 A, C. sub.1-4 -alkyl, C.sub.1-4 -alkoxy, NO.sub.2, OH or halogen; P PW, X, Y and Z are independently H or SO.sub.3 A; and P PA is NQ.sub.4 wherein at least one Q is a branched chain fatty C.sub. 6-20 -aliph atic group.