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CN 2923

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined

18 lines EU TARIC, EU Combined Nomenclature (CN) & TARIC – extraction 01-10-2026

CodeDescriptionUnitThird-country dutySource
2923 10 00 00Choline and its salts0%TARIC
2923 20 00 00Lecithins and other phosphoaminolipids0%TARIC
2923 30 00 00Tetraethylammonium perfluorooctane sulphonate6.5%TARIC
2923 40 00 00Didecyldimethylammonium perfluorooctane sulphonate6.5%TARIC
2923 90OtherTARIC
2923 90 00 10Tetramethylammonium hydroxide, in the form of an aqueous solution containing 25% (± 0,5%) by weight of tetramethylammonium hydroxide6.5%TARIC
2923 90 00 13Bis(N,N,N-trimethyladamantan-1-aminium) sulfate (CAS RN 1000777-61-6) with a purity by weight of 95 % or more, whether or not in aqueous solution containing 20 % or more Bis(N,N,N-trimethyladamantan-1-aminium) sulfate (CAS RN 1000777-61-6)6.5%TARIC
2923 90 00 30Tetrabutylammonium tetrahydroborate (CAS RN 33725-74-5) with a purity by weight of 97 % or more6.5%TARIC
2923 90 00 33Calcium phosphoryl choline chloride tetrahydrate (CAS RN 72556-74-2) with a purity by weight of 90 % or more6.5%TARIC
2923 90 00 50Betaine hydrochloride (CAS RN 590-46-5), with a purity by weight of 93 % or more6.5%TARIC
2923 90 00 55Tetrabutylammonium bromide (CAS RN 1643-19-2)6.5%TARIC
2923 90 00 65N,N,N-trimethyl-tricyclo[3.3.1.13,7]decan-1-aminium hydroxide (CAS RN 53075-09-5) in form of an aqueous solution with a content of N,N,N-trimethyl-tricyclo[3.3.1.13,7]decan-1-aminium hydroxide by weight of 17,5 % or more but not more than 27,5 %6.5%TARIC
2923 90 00 75Tetraethylammonium hydroxide, in the form of an aqueous solution containing: - 35 % (± 0,5 %) by weight of tetraethylammonium hydroxide, - not more than 1 000 mg/kg of chloride, - not more than 2 mg/kg of iron and - not more than 10 mg/kg of potassium6.5%TARIC
2923 90 00 80Diallyldimethylammonium chloride, in the form of an aqueous solution containing by weight 63 % or more but not more than 67 % of diallyldimethylammonium chloride, (CAS RN 7398-69-8)6.5%TARIC
2923 90 00 85N,N,N-Trimethylanilinium chloride (CAS RN 138-24-9)6.5%TARIC
2923 90 00 873-Chloro-2-hydroxypropyl)trimethylammonium chloride (CAS RN 3327-22-8), in the form of an aqueous solution containing by weight 65 % or more but not more than 71 % 3-chloro-2-hydroxypropyl)trimethylammonium chloride6.5%TARIC
2923 90 00 88Aqueous solution containing by weight 78 % or more but not more than 82 % of [2-(acryloyloxy)ethyl]trimethylammonium chloride (CAS RN 44992-01-0)6.5%TARIC
2923 90 00 90Other0%TARIC

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Source: European Commission (DG TAXUD), TARIC and Combined Nomenclature data as extracted on 1 October 2026. Heading 2923 in the TARIC consultation

Only the third-country duty is shown. Not shown: tariff preferences, quotas, suspensions, anti-dumping and other additional duties, import controls and the legal notes. The TARIC consultation lists the measures of each code.

This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.

All headings of chapter 29: ORGANIC CHEMICALS