Malachite green Malachite green Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture. Malachite green is traditionally used as a dye for materials such as silk, leather, and paper. Despite its name the dye is not prepared from the mineral malachite, and the name just comes from the similarity of color. Malachite green is classified in the dyestuff industry as a triarylmethane dye and also using in pigment industry. Formally, malachite green refers to the chloride salt [CHC(CHN(CH))]Cl, although the term malachite green is used loosely and often just refers to the
Italian submarine Malachite December 1942 she patrolled an area between the island of La Galite and Cape de Fer. She patrolled off the island of La Galite on January 4 and 5 1943 again. On January 21 "Malachite" was deployed to an area between Cape Carbon and Cape Bougaroun. At 4:55 on January 22 she sighted an incoming convoy heading to Bona. At 05:18 she fired four torpedoes, and dove to avoid an attack by the escorts. Two explosions were heard, but again British post-war documents contain no mention of this attack. On February 2, 1943 "Malachite" left Cagliari with a group of