Science & Tech
dye
Also known as: dyestuff
Category:
Science & Tech
- Key People:
- Friedrich Bayer
- Adolf von Baeyer
- Related Topics:
- saffron
- azo dye
- indigo
- anthraquinone dye
- cochineal
- On the Web:
- National Center for Biotechnology Information - General Introduction to the Chemistry of Dyes (Mar. 19, 2024)
dye, substance used to impart colour to textiles, paper, leather, and other materials such that the colouring is not readily altered by washing, heat, light, or other factors to which the material is likely to be exposed. Dyes differ from pigments, which are finely ground solids dispersed in a liquid, such as paint or ink, or blended with other materials. Most dyes are organic compounds (i.e., they contain carbon), whereas pigments may be inorganic compounds (i.e., they do not contain carbon) or organic compounds. Pigments generally give brighter colours and may be dyes that are insoluble in the medium employed. ...(100 of 7982 words)