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 Fairy Tale" (), based on "The Mistress of the Copper Mountain". Based on "Marko's Hill", Klara Katsman created the operetta "Mark Beregovik" (), which premiered in Sverdlovsk in 1955. Lyubov Nikolskaya composed the children's opera "Silver Hoof" based on the story of the same name in 1959. Vladimir Goryachikh composed the ballet "The Living Stone" () based on "Sinyushka's Well", which premiered in Nizhny Tagil in 1965. The 1973 opera "The Fire Maid" (based on "The Fire-Fairy") for schools was composed by Robert Long, with story adapted and lyrics by Dorothy Gulliver The 2012 opera "The Malachite Casket", based on