Magenta

 Magenta - a synthetic dye, first obtained in 1856 still Nathanson. Substance got its name because of the similarity with the color fuchsia crystals. What is interesting: a dark purple color dye is only in transmitted light; Reflected light green crystals already. Earlier this substance is actively used in the textile industry. Now, however, from magenta refused because of its low light fastness. However, in some places the substance is still used, for example, in the manufacture of pastes for pens, ink, pencils and copy paper.