ChemicalDictionary.org cites PbO as being the formula for lead oxide. It is also known as lead (II) oxide, lead monoxide, lead protoxide and plumbous oxide. It is described as being odorless, gray, yellow green or a red-brown solid.
Lead oxide has a formula mass of 223.19, a melting point of 888 degrees Celsius and a boiling point of 1470 degrees Celsius. It has a density of 9.5 g/cm3.
Lead oxide is found in plasters and ointments. It is used in pottery glazing and in the glass flux for porcelain and glass painting. It is also present in varnishes, lead glass and with glycerol as metal cement. Lead oxide produces iridescent colors on bronze and brass.