Heading 29.23
US HTSQuaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
5 subheadings · 6 tariff lines
Code / DescriptionMFN Rate
2923.10.00Choline and its salts
3.7%Code / DescriptionMFN Rate
2923.30.00Tetraethylammonium perfluorooctane sulfonate
6.2%Code / DescriptionMFN Rate
2923.40.00Didecylmethylammonium perfluorooctane sulfonate
6.2%Source: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.