Monoazo dyes which are stable under dyeing conditions, their preparation and their use

摘要

PCT No. PCT/EP96/00970 Sec. 371 Date Sep. 5, 1997 Sec. 102(e) Date Sep. 5, 1997 PCT Filed Mar. 7, 1996 PCT Pub. No. WO96/29368 PCT Pub. Date Sep. 26, 1996The present invention relates to the beta and gamma modifications of the dye of the formula (I) as well as to a process for their preparation and their use for dyeing and printing textile materials of polyester and/or cellulose esters or blended fabrics of these materials and wool or cellulose.