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 15 Hydroxides and peroxides of sodium or potassium 28 15 11 Sodium hydroxide (caustic soda), solid 28 15 11 00 Sodium hydroxide (caustic soda), solid Commodity Code Description 28 15 11 00 00 Sodium hydroxide (caustic soda), solid
