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Section VI: Products of the Chemical Industries

Chapter 29: Organic chemicals

36 tariff headings • Click any heading to view detailed duty rates

2901
ACYCLIC HYDROCARBONS
29
2902
CYCLIC HYDROCARBONS
- Cyclanes, cyclenes and cycloterpenes : 29
2903
HALOGENATED DERIVATIVES OF HYDROCARBONS
2904
SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED
halogenated. 29
2905
ACYCLIC ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
derivatives. - Saturated monohydric alcohols : 29
2906
CYCLIC ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
derivatives. - Cyclanic, cyclenic or cycloterpenic : 29
2908
HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF PHENOLS OR PHENOL- ALCOHOLS
alcohols. - Derivatives containing only halogen substituents and their salts : 29
2909
ETHERS, ETHER-ALCOHOLS, ETHER- PHENOLS, ETHER-ALCOHOL- PHENOLS, ALCOHOL PEROXIDES,
peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives. - Acyclic ethers and their hal...
2910
EPOXIDES, EPOXYALCOHOLS, EPOXYPHENOLS AND EXPOXYETHERS, WITH A THREE-MEMBERED RING, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
and their halogenated, sulphonated, nitrated or nitrosated derivatives. 29
2911
ACETALS AND HEMIACETALS, WHETHER OR NOT WITH OTHER OXYGEN FUNCTION, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
halogenated, sulphonated, nitrated or nitrosated derivatives. (A) ACETALS AND HEMIACETALS* Acetals may be regarded as di-ethers of (normally hypothetical) hydrates of aldehydes and ketones. Hemiacetal...
2912
ALDEHYDES, WHETHER OR NOT WITH OTHER OXYGEN
paraformaldehyde. - Acyclic aldehydes without other oxygen function : 29
2913
HALOGENATED, SULPHONATED, NITRATED OR NITROSATED
heading 29.12. These are derived from aldehydes by replacing one or more of the hydrogen atoms (other than a hydrogen in the aldehyde group (-CHO) by one or more halogens, sulpho groups (-SO H), nitro...
2914
KETONES AND QUINONES, WHETHER OR NOT WITH OTHER OXYGEN FUNCTION, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
sulphonated, nitrated or nitrosated derivatives.
2915
SATURATED ACYCLIC MONOCARBOXYLIC ACIDS AND THEIR
peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. - Formic acid, its salts and esters : 29
2916
UNSATURATED ACYCLIC MONOCARBOXYLIC ACIDS, CYCLIC MONOCARBOXYLIC ACIDS, THEIR ANHYDRIDES,
anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. - Unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, pe...
2917
POLYCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES,
halogenated, sulphonated, nitrated or nitrosated derivatives. - Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : 29
2918
CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES,
peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. - Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, pe...
2919
PHOSPHORIC ESTERS AND THEIR SALTS,
sulphonated, nitrated or nitrosated derivatives*. 29
2920
ESTERS OF OTHER INORGANICACIDS OF NON-METALS(EXCLUDING ESTERS OF
halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives. - Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or n...
2921
AMINE- FUNCTION COMPOUNDS
- Acyclic monoamines and their derivatives; salts thereof : 29
2922
OXYGEN-FUNCTION AMINO-COMPOUNDS
- Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : 29
2925
CARBOXYIMIDE-FUNCTION COMPOUNDS (INCLUDING SACCHARIN AND ITS SALTS) AND IMINE-FUNCTION COMPOUNDS
compounds. - Imides and their derivatives; salts thereof : 29
2926
NITRILE-FUNCTION COMPOUNDS
29
2927
DIAZO-, AZO- OR AZOXY-COMPOUNDS
These compounds, the most important of which belong to the aromatic series, are characterised by two nitrogen atoms linked by a double bond. (A) DIAZO-COMPOUNDS This group of products includes : (1) D...
2928
ORGANIC DERIVATIVES OF HYDRAZINE OR OF HYDROXYLAMINE
This heading does not cover hydrazine or hydroxylamine themselves or their inorganic salts (heading 28.25) but includes their organic derivatives only. Hydrazine (H NNH ) may, by replacement of one or...
2929
COMPOUNDS WITH OTHER NITROGEN FUNCTION
29
2930
ORGANO-SULPHUR COMPOUNDS
Feldspar, leucite, nepheline and nepheline syenite are composed of complex silicates of aluminium and alkali or alkaline-earth metals. They are used as fluxes in the ceramic industry. The heading excl...
2932
HETEROCYCLIC COMPOUNDS WITH OXYGEN HETERO- ATOM (S) ONLY
- Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure : 29
2933
HETEROCYCLIC COMPOUNDS WITH NITROGEN HETERO-ATOM(S) ONLY
- Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : 29
2935
SULPHONAMIDES
29
2936
PROVITAMINS AND VITAMINS, NATURAL OR REPRODUCED BY SYNTHESIS (INCLUDING NATURAL CONCENTRATES), DERIVATIVES THEREOF USED PRIMARILY AS VITAMINS, AND INTERMIXTURES OF THE FOREGOING, WHETHER OR NOT IN ANY SOLVENT
concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent (+). - Vitamins and their derivatives, unmixed : 29
2937
HORMONES, PROSTAGLANDINS, THROMBOXANES AND LEUKOTRIENES, NATURAL OR REPRODUCED BY
synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones (+). - Polypeptide hormones, protein hormones and glycoprotein hormones, thei...
2938
GLYCOSIDES, NATURAL OR REPRODUCED BY SYNTHESIS AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES
derivatives. 29
2939
ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES
derivatives. - Alkaloids of opium and their derivatives; salts thereof : 29
2941
ANTIBIOTICS
This Chapter also includes diazonium salts (see Part (A) of Explanatory Note to heading 29.27), couplers used for these salts and diazotisable amines and their salts, diluted with e.g., neutral salts ...
2942
OTHER ORGANIC COMPOUNDS
This heading covers separate chemically defined organic compounds not classified elsewhere. (1) Ketenes*. Like ketones, these are characterised by a carbonyl group ( C=O) but it is linked to the neigh...