Yellow or light yellow powder, specific gravity 9.53, melting point 888 °C, boiling point 1470 °C, insoluble in water and ethanol, but soluble in nitric acid and acetic acid, toxic.
Uses: used in glass products, dye industry, production of TV glass shell, production of plastic stabilizer, plastic additives, ceramic color glaze, batteries, mineral processing, paint drier, preparation of lead salt industry.