Fluorene, which produces fluorescence when it is impure, is a polycyclic aromatic hydrocarbon with a molecular formula of C13H10. White flake crystals. Exist in coal tar, corn whisker and automobile exhaust, there is a characteristic aromatic gas similar to naphthalene, which is combustible and used in the manufacture of medicine to manufacture anti-spasmodics and dyes; it is made into impact-resistant materials such as fluorene aldehyde resin and plexiglass; it can also Used as industrial wetting agent, disinfectant for disinfection, liquid glitter, plant auxin in crops, etc. It is used in organic synthesis to synthesize sympathetic nerve inhibitors, anticancer drugs, insecticides, etc.
