HTS heading 2923: Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
Heading 2923 of the US Harmonized Tariff Schedule covers Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2923 at a glance
- 6 rated tariff lines; 1 duty-free at the general (MFN) rate.
- Ad valorem general rates from 3.7% to 6.2%.
- Section 301 (products of China): 6 of 6 lines on a list in effect (List 3).
Goods named in this heading (official line texts): Choline and…, Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Dru…, Tetraethylammonium perfluorooctane sulfonate, Didecylmethylammonium perfluorooctane sulfonate.
Subheadings (6-digit)
- 2923.10: Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids…: Choline and… (1 line)
- 2923.20: Lecithins and other phosphoaminolipids (2 lines)
- 2923.30: Tetraethylammonium perfluorooctane sulfonate (1 line)
- 2923.40: Didecylmethylammonium perfluorooctane sulfonate (1 line)
- 2923.90: Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids…: Other (1 line)
All tariff lines in heading 2923
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2923.10.00 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids…: Choline and… | 3.7% | List 3 +25% | |
| 2923.20.10 | Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Dru… | Free | List 3 +25% | |
| 2923.20.20 | Lecithins and other phosphoaminolipids: Other | 5% | List 3 +25% | |
| 2923.30.00 | Tetraethylammonium perfluorooctane sulfonate | 6.2% | List 3 +25% | |
| 2923.40.00 | Didecylmethylammonium perfluorooctane sulfonate | 6.2% | List 3 +25% | |
| 2923.90.01 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids…: Other | 6.2% | List 3 +25% |
All of chapter 29 · Chapter 29 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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