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International HS 2022 reference
2923.30

Quaternary ammonium salts and hydroxides; tetraethylammonium perfluorooctane sulphonate, whether or not chemically defined

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Related classifications

2923.10

Quaternary ammonium salts and hydroxides; choline and its salts, whether or not chemically defined

2923.20

Lecithins and other phosphoaminolipids, whether or not chemically defined

2923.40

Quaternary ammonium salts and hydroxides; didecyldimethylammonium perfluorooctane sulphonate, whether or not chemically defined

2923.90

Quaternary ammonium salts and hydroxides; whether or not chemically defined n.e.c. in heading no. 2923

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