Naphthols are insoluble azo dyestuff compounds which form insoluble pigments with exceptional fastness properties when coupled with diazo solution of amino compounds. Advantages of Naphthols:
  • Cost effective
  • On combination with bases gives access to large number of shades
  • Insoluble in water
  • Exceptional Light Fastness
  • Longer shelf Life
We were the first in India to develop Naphthol AS-CL Pigment grade and continue to produce range of high quality Naphthols.
Trade Name C. I. Number CAS No.
ASCL/ASCA 37531 137-52-0
ASOL 37530 135-62-6
ASBS 37515 135-65-9