16 Facts About Synthetic dyes

Some Synthetic dyes can be rendered insoluble with the addition of salt to produce a lake pigment.

Early Synthetic dyes were obtained from animal, vegetable or mineral sources, with no to very little processing.

Synthetic dyes then reasoned that a sufficiently large dose could be injected to kill pathogenic microorganisms, if the dye did not affect other cells.

Synthetic dyes used methylene blue to target the plasmodium responsible for malaria.

The majority of natural Synthetic dyes are derived from non-animal sources: roots, berries, bark, leaves, wood, fungi and lichens.

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Acid Synthetic dyes are water-soluble anionic Synthetic dyes that are applied to fibers such as silk, wool, nylon and modified acrylic fibers using neutral to acid dye baths.

Basic Synthetic dyes are water-soluble cationic Synthetic dyes that are mainly applied to acrylic fibers, but find some use for wool and silk.

Direct Synthetic dyes are used on cotton, paper, leather, wool, silk and nylon.

Mordant Synthetic dyes require a mordant, which improves the fastness of the dye against water, light and perspiration.

Vat Synthetic dyes are essentially insoluble in water and incapable of dyeing fibres directly.

Reactive Synthetic dyes utilize a chromophore attached to a substituent that is capable of directly reacting with the fiber substrate.

Reactive Synthetic dyes are by far the best choice for dyeing cotton and other cellulose fibers at home or in the art studio.

Disperse Synthetic dyes were originally developed for the dyeing of cellulose acetate, and are water-insoluble.

The Synthetic dyes are finely ground in the presence of a dispersing agent and sold as a paste, or spray-dried and sold as a powder.

Sulfur Synthetic dyes are inexpensive Synthetic dyes used to dye cotton with dark colors.

Food Synthetic dyes can be direct, mordant and vat Synthetic dyes, and their use is strictly controlled by legislation.