Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2922.42.50.00Tariff line
Classification path
Oxygen-function amino-compounds
2922
Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof
Glutamic acid and its salts
Other
2922.42.50.00
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 1510
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 2922.42.50 is on L3
- AD/CVD: 1 order in placeConditional—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 1 casesConditionalAD 56.54%A570992
- PGAFDA FD3
Confirmed total 41.2% · max 97.74%Full duty breakdown →