Chapter 29 - T2018
Organic chemicals

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Notes.

1. Except where the context otherwise requires, the headings of this Chapter apply only to:

2. This Chapter does not cover:

3. Goods which could be included in two or more of the headings of this Chapter are to be classified in that one of those headings which occurs last in numerical order.

4. In headings 29.04 to 29.06, 29.08 to 29.11 and 29.13 to 29.20, any reference to halogenated, sulphonated, nitrated or nitrosated derivatives includes a reference to compound derivatives, such as sulphohalogenated, nitrohalogenated, nitrosulphonated or nitrosulphohalogenated derivatives.

Nitro or nitroso groups are not to be taken as "nitrogen-functions" for the purpose of heading 29.29.

For the purpose of headings 29.11, 29.12, 29.14, 29.18 and 29.22, "oxygen-function" is to be restricted to the functions (the characteristic organic oxygen containing groups) referred to in headings 29.05 to 29.20.

5. (A) The esters of acid-function organic compounds of sub-Chapters I to VII with organic compounds of these sub Chapters are to be classified with that compound which is classified in the heading which occurs last in numerical order in these sub Chapters.

(B) Esters of ethyl alcohol with acid-function organic compounds of sub-Chapters I to VII are to be classified in the same heading as the corresponding acid function compounds.

(C) Subject to Note 1 to Section VI and Note 2 to Chapter 28:

(D) Metal alcoholates are to be classified in the same heading as the corresponding alcohols except in the case of ethanol (heading 29.05).

(E) Halides of carboxylic acids are to be classified in the same heading as the corresponding acids.

6. The compounds of headings 29.30 and 29.31 are organic compounds the molecules of which contain, in addition to atoms of hydrogen, oxygen or nitrogen, atoms of other non metals or of metals (such as sulphur, arsenic or lead) directly linked to carbon atoms.

Heading 29.30 (organo-sulphur compounds) and heading 29.31 (other organo-inorganic compounds) do not include sulphonated or halogenated derivatives (including compound derivatives) which, apart from hydrogen, oxygen and nitrogen, only have directly linked to carbon the atoms of sulphur or of a halogen which give them their nature of sulphonated or halogenated derivatives (or compound derivatives).

7. Headings 29.32, 29.33 and 29.34 do not include epoxides with a three-membered ring, ketone peroxides, cyclic polymers of aldehydes or of thioaldehydes, anhydrides of polybasic carboxylic acids, cyclic esters of polyhydric alcohols or phenols with polybasic acids or imides of polybasic acids.

These provisions apply only when the ring-position hetero-atoms are those resulting solely from the cyclising function or functions here listed.

8. For the purposes of heading 29.37:

Subheading Notes.

1. Within any one heading of this Chapter, derivatives of a chemical compound (or group of chemical compounds) are to be classified in the same subheading as that compound (or group of compounds) provided that they are not more specifically covered by any other subheading and that there is no residual subheading named ''Other'' in the series of subheadings concerned.

2. Note 3 to Chapter 29 does not apply to the subheadings of this Chapter.

Supplementary Note.

1. For the purpose of tariff items of this Chapter, the following terms have the meanings hereby assigned to them:

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