Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2903.51.10.00Tariff line
Classification path
Halogenated derivatives of hydrocarbons
2903
Unsaturated fluorinated derivatives of acyclic hydrocarbons
2,3,3,3-Tetrafluoropropene (HFO-1234yf),1,3,3,3-tetrafluoropropene (HFO-1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz)
2903.51.10.00
Rates of duty
- General rate (Column 1)
- 3.7%
- Special
- Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
- Column 2
- 25%
- Unit
- kg
- Printed page
- 1430
Measure flagsfor origin CN
- Section 301 forced labor: on an exemption list9903.05.89 · note 52(e)
- Section 232 (METALS) · · 铝衍生品 — 2,3,3,3-Tetrafluoropropene (HFO-1234yf), 1,3,3,3-tetrafluoropropene (HFO1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz) · from 2026-04-06
- Section 232 (METALS) · · 铝衍生品 — 2,3,3,3-Tetrafluoropropene (HFO-1234yf), 1,3,3,3-tetrafluoropropene (HFO1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz) · from 2026-04-06
- AD/CVD: 7 case(s) tied to this lineA489400, A533994, A557300, A570028, A570121, A570137, C570138
- Partner government agency (PGA) requirementsEPA EP1, EPA EP7