WCO Trade Tools provides essential information to support your trade activity.
Harmonized System
Section VI > Chapter 33 > Heading 3301
… (terpeneless or not), including concretes and absolutes; resinoids; extracted oleoresins; concentrates of essential oils in fats, in fixed …
Explanatory notes
… (terpeneless or not), including concretes and absolutes; resinoids; extracted oleoresins; concentrates of essential oils in fats, in fixed …Section VI > Chapter 28 > Heading 2826
Explanatory notes
… Sub-Chapter V SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS GENERAL Metal salts are obtained by … an acid by a metal or by the ammonium ion (NH 4 + ). In the liquid state or in solution, they are electrolytes giving a …Section VI > Chapter 28 > Heading 2806
… Hydrogen chloride (hydrochloric acid); chlorosulphuric acid. …
Explanatory notes
… Sub-Chapter II INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON‑METALS GENERAL Acids contain hydrogen which can be wholly or partly replaced by metals (or by ions with …Section VI > Chapter 29 > Heading 2917
… Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, …
Explanatory notes
… 29.17 - Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, …Section VI > Chapter 29 > Heading 2916
… Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, …
Explanatory notes
… 29.16 - Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, …Section VI > Chapter 29 > Heading 2915
… Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or …
Explanatory notes
… Sub-Chapter VII CARBOXYLIC ACIDS AND THEIR ANHYDRIDES , HALIDES, PEROXIDES AND … or more carboxyl groups (–COOH) (monocarboxylic acids or polycarboxylic acids, respectively). If the hydroxyl group … derivatives of the chemicals of this sub-Chapter. (A) ACID ANHYDRIDES Acid anhydrides result from the elimination …Section VI > Chapter 28 > Heading 2825
… their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. …
Explanatory notes
… their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. 2825.10 ‑ Hydrazine and hydroxylamine and their …Section VI > Chapter 29 > Heading 2905
… Acyclic alcohols and their halogenated, sulphonated, nitrated or …
Explanatory notes
… Sub-Chapter II ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES 29.05 - Acyclic alcohols and their halogenated, sulphonated, nitrated or … group. They are oxygenated compounds which react with acids giving the compounds known as esters. The alcohols may …Section VI > Chapter 29 > Heading 2909
… Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, …
Explanatory notes
… Sub-Chapter IV ETHERS, ALCOHOL PEROXIDES, ETHER PEROXIDES, ACETAL AND HEMIACETAL PEROXIDES , KETONE PEROXIDES, EPOXIDES WITH A THREE-MEMBERED RING, ACETALS AND … NITRATED OR NITROSATED DERIVATIVES 29.09 - Ethers, ether‑alcohols, ether‑phenols, ether-alcohol-phenols, alcohol …Section VII > Chapter 39 > Heading 3907
… Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other …