Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula PbO. PbO occurs in two polymorphs, one litharge having a tetragonal crystal structure and the other massicot having an orthorhombic crystal structure
L 1384(OTTO) Lead monoxide, 99.9995% Cas 1317-36-8 - used in oil refining, varnishes, paints, enamels and in assays for precious metal ores.