Fuchsin is a bright red dye used in various applications such as staining in medical and biological research, textiles, and ink production. However, this compound has several synonyms, also referred to as 'rosaniline' or 'magenta.' Its other names include 'Rubine' or 'CI Basic Red 9,' which is a water-soluble cationic dye extensively used in histopathology for staining various organisms such as fungi, bacteria, and protozoa. Another common synonym for Fuchsin is 'Methyl Violet 2B,' which is derived from its chemical composition of methylated fuchsins. Furthermore, it is also called 'New Fuchsin,' which is a mixture of basic red 9 and basic violet 14. Overall, these synonyms give a broad perspective of the compound and its uses across different fields.