Germanium dioxide, also called germanium oxide and germania, is an inorganic compound with the chemical formula GeO2.
G 1280 (OTTO) Germanium dioxide, 99.999% Cas 1310-53-8 - used as an optical material for wide-angle lenses and in optical microscope objective lenses. G 1280 (OTTO) Germanium dioxide, 99.999% Cas 1310-53-8 - used in phosphors, transistors and diodes, and infrared transmitting glass.