HTS 2923
Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined:
This is a heading-level category. Duty rates are set at the subheading level.
See the subheadings below for specific rates.
Related HS Codes
2923.10.00.00Choline and its salts
3.7%2923.20Lecithins and other phosphoaminolipids:
2923.20.10.00Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Drug Administration, for use in intravenous fat emulsion
Free2923.20.20Other
5%2923.20.20.10Certified organic lecithins
2923.20.20.50Other
2923.30.00.00Tetraethylammonium perfluorooctane sulfonate
6.2% 2923.40.00.00Didecylmethylammonium perfluorooctane sulfonate
6.2% 2923.90.01.00Other
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This information is for general reference only and does not constitute customs business, tariff classification, or legal advice. Verify current rates with the official USITC HTS or a licensed customs broker.