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.

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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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