A SINGLE STEP PROCESS FOR SYNTHESIS OF YELLOW DYE -11 OF CONSISTENT COLOUR TONE

摘要

Yellow due 11 is a useful dye with several application in the industry. The available literature in the synthesis of this dye results in non uniform colour tone. This issue in prior art is addressed by disclosing a batch as well continuous single condensation step process for synthesizing the yellow dye 11 with on-line uv monitoring system to ensure colour tone uniformity.