… non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or …
Explanatory notes
… non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or … that is, acids in which the anion contains only non-metal elements. This heading does not cover : (a) “Esters” of … corrosive, lachrymatory and irritating to the respiratory tracts. Used in organic synthesis. (3) Ethyl hydrogen …