Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 12 Halides and halide oxides of non-metals 28 12 12 - - Phosphorus oxychloride 28 12 12 00 - - Phosphorus oxychloride Commodity Code Description 28 12 12 00 000 - - Phosphorus oxychloride