What are Basic or Cationic DYES? A basic dye is a cationic dye distinguished by its formability for acidic types of acrylic fibre and tannin-mordant cotton, reflecting the former importance of this class of dye in cotton dyeing, for which reactive dyes, direct dyes, vat dyes, and sulphur dyes are now used. When basic dyes are dissolved in water, they form…
