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
Malachite Room of the Winter Palace of the Government were arrested in the adjoining private dining room. Today, as part of the State Hermitage Museum, this room retains its original decoration. Citations Bibliography Malachite Room of the Winter Palace The Malachite Room of the Winter Palace, St Petersburg, was designed in the late 1830s by the architect Alexander Briullov for use a formal reception room for the Empress Alexandra Fyodorovna, wife of Nicholas I. It replaced the Jasper Room, which was destroyed in the fire of 1837. The room obtains its name from the use of malachite for its columns and fireplace. This large salon contains