X-Nico

2 unusual facts about alizarin


Alizarin

Cloth dyed with madder root pigment was found in the tomb of the Pharaoh Tutankhamun and in the ruins of Pompeii and ancient Corinth.

Historically it was derived from the roots of plants of the madder genus.


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Carl Gräbe

Together with Carl Theodore Liebermann, he synthesized the orange-red dye alizarin in 1868; alizarin had been isolated and identified from madder root some forty years earlier in 1826 by the French chemist Pierre Robiquet, simultaneously with purpurin, a violet dye.


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