Benzene
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Benzene is an organic chemical compound with the molecular formula C6H6. The benzene molecule is composed of six carbon atoms joined in a planar hexagonal ring with one hydrogen atom attached to each. Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.
A bottle of benzene. The warnings show benzene is a toxic and flammable liquid.
Eilhard Mitscherlich
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Eilhard Mitscherlich was a German chemist, who is perhaps best remembered today for his discovery of the phenomenon of crystallographic isomorphism in 1819.
Bronze statue of Mitscherlich at the Humboldt University of Berlin
Marble bust of Mitscherlich by Elisabet Ney at the Museum für Naturkunde in Berlin
Mitscherlich's mausoleum at the Alter St.-Matthäus-Kirchhof in Berlin