美国 · 品目· 5 个子目· 8 个税号
2923季铵盐、氢氧化物、卵磷脂及其他磷氨基脂
Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
子目（6 位 WCO 统一）
美国税号（10 位）
本品目下 美国海关的全部细分税号与首要税率
| HS 编码 | 商品描述 | 首要税率 |
|---|---|---|
| 2923.10.00.00 | Choline and its salts | 3.7% |
| 2923.20.10.00 | Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Drug Administration, for use in intravenous fat emulsion | Free |
| 2923.20.20 | Other | 5% |
| 2923.20.20.10 | Certified organic lecithins | 5% |
| 2923.20.20.50 | Other | 5% |
| 2923.30.00.00 | Tetraethylammonium perfluorooctane sulfonate | 6.2% |
| 2923.40.00.00 | Didecylmethylammonium perfluorooctane sulfonate | 6.2% |
| 2923.90.01.00 | Other | 6.2% |