Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 24 Lead oxides; red lead and orange lead 28 24 10 Lead monoxide (litharge, massicot) 28 24 10 00 Lead monoxide (litharge, massicot) Commodity Code Description 28 24 10 00 000 Lead monoxide (litharge, massicot)