What is  Acid Dyes in chemistry?
A group of dyes that is nearly all salts of organic acids .it is used for dyeing natural silk and wool.



Acid dye




An acid dye is a dye that is typically applied to a textile at low pH. They are mainly used to dye wool, not cotton fabrics. Some acid dyes are used as food colorants, and some can also be used to stain organelles in the medical field.