History
Crimson (NR4) is produced using the dried bodies of the kermes insect, which were gathered commercially in Mediterranean countries, where they live on the Kermes oak, and sold throughout Europe. Kermes dyes have been found in burial wrappings in Anglo-Scandinavian York. They fell out of use with the introduction of cochineal, because although the dyes were comparable in quality and color intensity it needed ten to twelve times as much kermes to produce the same effect as cochineal.
Carmine is the name given to the dye made from the dried bodies of the female cochineal, although the name crimson is sometimes applied to these dyes too. Cochineal appears to have been brought to Europe during the conquest of Mexico by the Spaniard Hernán Cortés, and the name 'carmine' is derived from the French carmin. It was first described by Mathioli in 1549. The pigment is also called cochineal after the insect from which it is made.
Alizarin (PR83) is a pigment that was first synthesized in 1868 by the German chemists Carl Gräbe and Carl Liebermann and replaced the natural pigment madder lake. Alizarin crimson is a dye bonded onto alum which is then used as a pigment and mixed with ochre, sienna and umber. It is not totally colorfast.
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