Malachite green colored cation. The oxalate salt is also marketed. The anions have no effect on the color. The intense green color of the cation results from a strong absorption band at 621 nm (extinction coefficient of ). Malachite green is prepared by the condensation of benzaldehyde and dimethylaniline to give leuco malachite green (LMG): Second, this colorless leuco compound, a relative of triphenylmethane, is oxidized to the cation that is MG: A typical oxidizing agent is manganese dioxide. Hydrolysis of MG gives an alcohol: This alcohol is important because it, not MG, traverses cell membranes. Once inside the cell, it is
The Malachite Box the Urals. The first short version of the essay, included in the 1939 book, was titled "The Watchhouse on Dumna Mountain". In 1940 the author expanded it and renamed to "By the Old Mine" (). This version was first published in the 3rd volume of the "Uralsky Sovremennik" almanac (1940). Starting with the 3rd edition of "The Malachite Box", this essay was published in all subsequent editions. The author included the essay in every "The Malachite Box" edition for the purpose of familiarizing the reader with the unique culture of the Ural region. "Beloved Name" (alternative translation: That Dear Name)