Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED 28 Inorganic chemicals;organic or inorganic compounds of precious metals, ofrare-earth, of radioactive elements or of isotopes 28 06 HYDROGEN CHLORIDE (HYDROCHLORIC ACID); CHLOROSULPHURIC ACID Commodity Code Description 28 06 10 Hydrogen chloride (hydrochloric acid) 28 06 20 Chlorosulphuric acid