Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2903.48.00.00Tariff line
Classification path
Halogenated derivatives of hydrocarbons
2903
Saturated fluorinated derivatives of acyclic hydrocarbons
1,1,1,3,3-Pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-4310mee)
2903.48.00.00
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 1429
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: not on any listN/A—8-digit subheading 2903.48.00 is not on Lists 1–4B or the four-year-review lists
- AD/CVD: 4 orders 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 4 casesConditionalAD 267.51% + CVD 14.43% / AD 221.06% / AD 216.37%A570137 / C570138; A570121; A570028
- PGAEPA EH2 · requiredEPA EP7
Confirmed total 16.2% · max 298.14%Full duty breakdown →