Mordant Red 19

Mordant red 19

Mordant red 19 is an organic compound with the chemical formula C16H13ClN4O5S. It is classified as an azo dye.

Mordant

A mordant or dye fixative is a substance used to set dyes on fabrics. It does this by forming a coordination complex with the dye, which then attaches to the fabric. It may be used for dyeing fabrics or for intensifying stains in cell or tissue preparations. Although mordants are still used, especially by small batch dyers, they have been largely displaced in industry by substantive dyes.

Red

Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–750 nanometers. It is a primary color in the RGB color model and a secondary color in the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, and vary in shade from the pale red pink to the dark red burgundy.

mordant

Adjective

1. Having or showing a sharp or critical quality.
2. Serving to fix a dye to a fiber.

Noun

1. Any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation.
2. Any corrosive substance used in etching.

red

Noun

1. The color of the setting sun, blood, and strawberries; the color which is evoked by the longest visible wavelengths (between about 625–740 nm), and a primary additive color.
2. A revolutionary socialist or (most commonly) a Communist; a Bolshevik, a supporter of the Bolsheviks in the Russian Civil War.

Adjective

1. Of a red hue.
2. Having an orange-brown or orange-blond colour; ginger.