Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2923.10.00.00Tariff line
Classification path
Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
2923
Choline and its salts
2923.10.00.00
Rates of duty
General rate (Column 1)3.7%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1515
Measure flags
for origin CN, entry date 2026-10-26 · base rate 3.7%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2923.10.00 is on L3
- AD/CVD: 0 orders in place, 2 investigationsInfo—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalA570238 / C570239
- PGAFDA FD3
Confirmed total 41.2% · max 41.2%Full duty breakdown →