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Tariff referenceChapter 29 › 2903.45.10.00

HTS 2903.45.10.00 — 1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134)

The current US import duty for 1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134) (HTS 2903.45.10.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

Halogenated derivatives of hydrocarbons: › Saturated fluorinated derivatives of acyclic hydrocarbons: › 1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134)

Current US duty rate

Column 1 (General / MFN)3.7%
Special (FTA programs)Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 2 (other)25%

Additional duties may apply, depending on country of origin: 9903.90.08.

Alert me when this code changes (free) See all recorded changes

Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2903.45.10.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).