Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2929.90.50.95Tariff line
Classification path
Compounds with other nitrogen function
2929
Other
Other
Other
Other
2929.90.50.95
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
- 301 exclusion 9903.88.69 (by product description)9903.88.69ConditionalexemptN-(n-Butyl)thiophosphoric triamide (IUPAC name: N-Diaminophosphinothioylbutan-1-amine) (CAS No. 94317-64-3) — only the products described; expires 2026-11-09 11:59 p.m. EDT
- PGAFDA FD3
Confirmed total 44% · max 44%Full duty breakdown →