Solvent dyes refer to colored substances that are insoluble in water but can be dissolved in organic solvents. It is a kind of dye, which is insoluble in water but soluble in oils or organic lozenges. Solvent dyes can be divided into two categories: oil-soluble and alcohol-soluble.
Introduction
Solvent dyes refer to colored substances that are insoluble in water but can be dissolved in organic solvents.
structure
From the point of view of chemical structure, azo dyes are mainly used in yellow, orange, brown and red, and there are also bright red xanthene and triphenylmethane dyes. Blue and green are mainly anthraquinone, triphenylmethane, azine, thiazine and phthalocyanine dyes. Nigrosine in the azine series is an important black solvent dye.
