Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2929.90.50.30Tariff line
Classification path
Compounds with other nitrogen function
2929
Other
Other
Other
N-(Dialkyl (≤C10 , incl. cycloalkyl) amino))alkylidene (H or ≤C10 , incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts
2929.90.50.30
Rates of duty
General rate (Column 1)6.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 230.5%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1529
Measure flags
for origin CN, entry date 2026-10-26 · base rate 6.5%
- 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 2929.90.50 is on L3
- PGAFDA FD3
Confirmed total 44% · max 44%Full duty breakdown →