CHEMICAL COMPOUND

摘要

A monoazo compound of the Formula (1) and salts thereof: (1 wherein each of R1 and R2, independently, represents H, halogen, alkyl, alkoxy or acylamino; each of R3, R4 and R5, independently, represents H or optionally substituted hydrocarbyl other than groups comprising the residue -A'NR7R8 wherein A represents an optionally substituted alkylene group containing 2 or more carbon atoms and each of R7 and R8, independently, represents H or optionally substituted hydrocarbyl or R7 and R8 together with the attached nitrogen atom form a 5- or 6-membered ring and R6 represents an optionally substituted hydrocarbyl group not comprising the residue -A-NR7R8 wherein A, R7 and R8 are as defined above; or R3 and R4 together with the attached nitrogen atom and/or R5 and R6 together with the attached nitrogen atom form a 5- or 6-membered ring other than a piperazine ring, the compounds of Formula (1) being free from fibre-reactive groups and any carboxyl substituents present in the compounds being attached in the form of one or more residue of the following formulae: also claimed are ink compositions comprising the above compound; a process for printing substrates with the ink compositions using an ink-jet printer; paper, project slides and textile materials printed with the ink compositions; and a process for coloration of textile materials with the ink compositions.