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)

Halogenated derivatives of hydrocarbons: > 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)

Duty Rate (from China)

3.7%
MFN Base Rate3.7%

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Total Effective Rate3.7%

Products classified under HTS 2903.51.10.00

HFO-1234yf Refrigerant Gas

2,3,3,3-Tetrafluoropropene (HFO-1234yf) is a low global warming potential refrigerant used in automotive air conditioning systems. This unsaturated fluorinated derivative of acyclic hydrocarbons falls under HTS 2903.51.1000 due to its specific chemical structure and halogenated nature. It is supplied in pressurized cylinders for industrial and automotive applications.

HFO-1234ze Foam Blowing Agent

1,3,3,3-Tetrafluoropropene (HFO-1234ze) serves as an environmentally friendly foam blowing agent for polyurethane insulation. Classified under HTS 2903.51.1000 as a specifically named unsaturated fluorinated acyclic hydrocarbon. Used in spray foam and panel production for building insulation.

HFO-1336mzz (Z) Heat Transfer Fluid

(Z)-1,1,1,4,4,4-Hexafluoro-2-butene (HFO-1336mzz) is a high-performance heat transfer fluid for immersion cooling systems. This specific unsaturated fluorinated derivative is enumerated in HTS 2903.51.1000. Used in electronics cooling and organic Rankine cycle systems.

HFO-1234yf Automotive Refrigerant Charge

Pre-charged HFO-1234yf refrigerant cylinders for automotive A/C service and retrofitting. Pure 2,3,3,3-Tetrafluoropropene meeting HTS 2903.51.1000 specifications for unsaturated fluorinated acyclic hydrocarbons. Typically 10lb cylinders for professional technician use.

HFO-1234ze Spray Polyurethane Foam Precursor

HFO-1234ze (1,3,3,3-Tetrafluoropropene) specifically formulated as B-component blowing agent for spray polyurethane foam systems. Meets HTS 2903.51.1000 as pure named compound though destined for immediate chemical reaction. Supplied in returnable steel drums.

HFO-1234yf Electronic Grade Refrigerant

Ultra-high purity HFO-1234yf (>99.99%) for precision cooling in semiconductor manufacturing. Specifically identified unsaturated fluorinated hydrocarbon under HTS 2903.51.1000. Supplied in low-particulate cylinders for cleanroom use.

HFO-1336mzz Data Center Immersion Fluid

(Z)-HFO-1336mzz dielectric fluid for single-phase immersion cooling of servers. Pure compound of HTS 2903.51.1000 used in high-density computing environments. Non-ozone depleting with 99% lower GWP than traditional fluids.

HFO-1234yf Mobile A/C Retrofit Kit Refrigerant

HFO-1234yf refrigerant included in R-134a to low-GWP retrofit kits for fleet vehicles. Pure 2,3,3,3-Tetrafluoropropene per HTS 2903.51.1000 specifications. 4oz service cans for professional retrofitting.

HFO-1234ze Continuous Insulation Board Blowing Agent

HFO-1234ze for polyisocyanurate continuous lamination board production. 1,3,3,3-Tetrafluoropropene pure compound of HTS 2903.51.1000. Bulk tanker quantities for factory direct-fill systems.

HFO-1234yf VRF System Refrigerant

HFO-1234yf refrigerant for variable refrigerant flow (VRF) commercial HVAC systems. Low GWP 2,3,3,3-Tetrafluoropropene per HTS 2903.51.1000. 25lb cylinders for building management systems.

HFO-1336mzz Organic Rankine Cycle Working Fluid

(Z)-1,1,1,4,4,4-Hexafluoro-2-butene as working fluid for low-temperature Organic Rankine Cycle power generation. Specific compound of HTS 2903.51.1000 used in waste heat recovery. High purity for turbine applications.

HFO-1234yf Chiller Retrofit Refrigerant

HFO-1234yf for centrifugal chiller R-134a drop-in replacement. Pure 2,3,3,3-Tetrafluoropropene of HTS 2903.51.1000. 100lb dewars for commercial building chillers.

HFO-1234ze Appliance Foam Blowing Agent

HFO-1234ze for domestic refrigerator and freezer insulation foam. 1,3,3,3-Tetrafluoropropene pure blowing agent of HTS 2903.51.1000. ISO tank quantities for appliance manufacturers.

HFO-1234yf Transport Refrigeration Refrigerant

HFO-1234yf for refrigerated trucks and containers replacing R-404A. Low GWP refrigerant per HTS 2903.51.1000 specifications. 50lb cylinders for reefer service.

HFO-1336mzz Single-Phase Server Cooling Fluid

HFO-1336mzz (Z) for single-phase immersion cooling of high-performance computing servers. Pure heat transfer fluid of HTS 2903.51.1000. 55-gallon drums for data center deployment.