Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2931.47.00.00Tariff line
Classification path
Other organo-inorganic compounds
2931
Non-halogenated organo-phosphorous derivatives
(5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate
2931.47.00.00
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 1535
Measure flags
for origin CN, entry date 2026-10-25 · 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 2931.47.00 is on L3
- PGAEPA EP5EPA EP7
Confirmed total 41.2% · max 41.2%Full duty breakdown →