Reference manual contains material from five sections of general chemistry: chemical elements and simple substances; classification and nomenclature of inorganic compounds; atoms, molecules and crystals; thermodynamic and kinetic constants; solutions. The names of chemical elements are given not only in Russian and Latin, but also in other languages ​ ​ - English and German. Periodic system D.I. Mendeleev is presented in short and long forms. The total number of tables in the directory is 50. Designed for students studying in the specialties of the enlarged group "Chemical Technologies."