Harmonized System

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Section VI > Chapter 28 > Heading 2806

Explanatory notes

… Sub-Chapter II INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON‑METALS GENERAL Acids contain …

Section VI > Chapter 29 > Heading 2904

Explanatory notes

… (sometimes erroneously called benzylsulphonic acids). (c)  Xylenesulphonic acids. (d) Benzenedisulphonic acids. (e)  … ( heading 36.02 ). (f)  5 - tert - Butyl-2,4,6-trinitrometaxylene (xylene musk); used in perfumery. (g)  Nitroxylene, 3 …

Section VI > Chapter 28 > Heading 2850

Explanatory notes

… include compounds of hydrogen with the following elements : oxygen ( headings 22.01 , 28.45 , 28.47 and 28.53 ), … combinations of nitrogen with the following elements : oxygen ( heading 28.11 ), halogens ( heading 28.12 ), … cover combinations of silicon with the following elements : oxygen ( heading 28.11 ), halogens ( heading 28.12 ), …

Section VI > Chapter 29 > Heading 2921

Explanatory notes

… is carcinogenic and should be handled with care. (6)   Xylidines . (7)   Amfetamine (INN) (Amphetamine). (E) … an alkyl chain, are therefore excluded. Thus, for example , xylidine should be classified in subheading 2921.49 as …

Section VI > Chapter 29 > Heading 2935

Explanatory notes

… N-Ethylperfluorooctane sulphonamide 2935.30 - N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide 2935.40 - N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide 2935.50 - …

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