Azo dye - prepd from 2-amino-6-chloro-benzothiazole and n-ethyl - -n-beta-cyanoethyl-meta-toluidine

摘要

Azo dye:- is prepared by diazotising and coupling with m-CH3-C6H3-N(C2H5)C2H4CN. Dye is useful for dyeing and printing hydrophobic fibre materials, e.g. synthetic superpolyamides, cellulose esters and aromatic polyesters, partic. polyethylene terephthalate.