Harmonized System

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Section VI > Chapter 29 > Heading 2906

Explanatory notes

… or unsaturated, the structure of which is derived from the hydrocarbon perhydro-1,2-cyclopentanophenanthrene, the hydroxyl group being linked to the 3-carbon, with a methyl … Terpin , obtained synthetically. White crystals. Terpin hydrate is obtained from turpentine; colourless crystals, …

Section VI > Chapter 38 > Heading 3827

Explanatory notes

… chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs); containing hydrobromofluorocarbons (HBFCs); containing carbon …

Section VI > Chapter 29 > Heading 2935

Explanatory notes

… N-Ethylperfluorooctane sulphonamide 2935.30 - N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide 2935.40 - … attached to the SO 2  group and R 2 and R 3 are either : hydrogen, another atom or an inorganic or organic radical of …

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… cyanides. (A) CYANIDES Cyanides are the metal salts of hydrogen cyanide (hydrocyanic acid) (HCN) (heading 28.11). These salts are … Sodium cyanide (NaCN). Obtained by the action of coke or hydrocarbon gases and atmospheric nitrogen on sodium …

Section VI > Chapter 28 > Heading 2832

Explanatory notes

… ( heading 38.04 ), and the industrial products known as “hydrosulphites” stabilised by organic substances ( heading … sulphites. (1)   Sodium sulphites . These include sodium hydrogen sulphite (NaHSO 3 ), disodium disulphite (Na 2 SO 3 … ) 2 ), obtained by the action of sulphur dioxide on calcium hydroxide. Used to dissolve lignin in the preparation of …

Section VI > Chapter 29 > Heading 2924

Explanatory notes

… 3 N) Primary amide Secondary amide Tertiary amide The hydrogen of the (–NH 2 ) or ( NH) groups may be substituted … of cyclic amines , e.g., acetoacetanilide; amides of hydroxynaphthoic acid , e.g., 3-hydroxy-2-naphthanilide; …

Section XVI > Chapter 84 > Heading 8412

Explanatory notes

… - Reaction engines other than turbo-jets               - Hydraulic power engines and motors : 8412.21 - - Linear … the injection-system. The fuels used include ethyl alcohol, hydrazine hydrate, etc., and the combustion agents are …

Section VI > Chapter 34 > Heading 3404

Explanatory notes

… (e.g., Fischer-Tropsch waxes consisting essentially of hydrocarbons) are, however, excluded . Water-soluble waxy … if having the character of waxes ( heading 15.05 ). (b)   Hydrogenated oils, even if having the character of waxes ( …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… METALS GENERAL Metal salts are obtained by replacing the hydrogen element in an acid by a metal or by the ammonium … from non‑metals) or in sub‑Chapter IV (acid‑function metal hydroxides). Double or complex salts. Certain double or … or of mercury ( heading 28.52 ). (d) Phosphides, carbides, hydrides, nitrides, azides , silicides and borides ( …

Section II > Chapter 12 > Heading 1211

Explanatory notes

… quinquefolium and Panax ginseng ) : roots. Golden seal ( Hydrastis ) ( Hydrastis canadensis ) : roots. Guaiacum ( … ( Veratrum album and Veratrum viride ) : roots. Henbane ( Hyoscyamus ) ( Hyoscyamus niger ) : roots, seeds and leaves. Horehound ( Marrubium vulgare ) : herbs and stems. Hyssop ( Hyssopus officinalis ) : flowers and leaves. …