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) (HS 290351)
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) (HS 290351) has 141 U.S. import bill-of-lading shipment records between May 2022 and Sep 2026. The largest U.S. importer of 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) is THE CHEMOURS COMPANY FC LLC, with 74 shipments, followed by THE CHEMOURS COMPANY and HONEYWELL INTERNATIONAL. The leading supplier is CHEMOURS NETHERLANDS BV, with 93 shipments, followed by CHEMOURS NETHERLANDS B V and NAVIN FLUORINE INTERNATIONAL LTD. Goods originate mainly from NETHERLANDS and CHINA, arriving primarily at HOUSTON, TX. Import volume has held steady over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through September 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through September 2026), https://www.importdoor.com/products/290351-2-3-3-3-tetrafluoropropene-hfo-1234yf-1-3-3-3-tetrafluoropropene-hfo-1234ze-and-z-1-1-1-4-4-4-hexafluoro-2-but
See all 141 shipments of HS 290351 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for 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) (HS 290351), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CHEMOURS NETHERLANDS BV → THE CHEMOURS COMPANY FC LLC with 55 shipments, followed by CHEMOURS NETHERLANDS BV → THE CHEMOURS COMPANY (38) and CHEMOURS NETHERLANDS B V → THE CHEMOURS COMPANY FC LLC (19).
Top U.S. importers
| Importer | Shipments |
|---|---|
| THE CHEMOURS COMPANY FC LLC | 74 |
| THE CHEMOURS COMPANY | 40 |
| HONEYWELL INTERNATIONAL | 9 |
| MEXICHEM FLUOR INC | 8 |
| AC PRODUCTS USA | 3 |
| HONEYWELL INTERNATIONAL INC | 2 |
| DHL COSTA RICA SA | 1 |
| LOUISVILLE PACKAGING | 1 |
| PENTRADE GLOBAL LLC | 1 |
| SAS SHALLAN CARS | 1 |
Top suppliers
| Supplier | Shipments |
|---|---|
| CHEMOURS NETHERLANDS BV | 93 |
| CHEMOURS NETHERLANDS B V | 19 |
| NAVIN FLUORINE INTERNATIONAL LTD | 11 |
| MEXICHEM FLUOR TAIWAN LIMITED | 8 |
| ARCTIC HAYES LTD | 2 |
| CHEMOURS INTERNATIONAL OPS SARL | 2 |
| ARCTIC HAYES | 1 |
| BMW AG CDC BRUCKBERG LA WERK | 1 |
| CHEMOURS INTERNATIONAL OPERATIONS S | 1 |
| COLEX INTERNATIONAL SA | 1 |
Origin countries
| Country | Shipments |
|---|---|
| NETHERLANDS | 114 |
| CHINA | 10 |
| ROMANIA | 7 |
| INDIA | 4 |
| GERMANY | 2 |
| UNITED KINGDOM | 2 |
| BELGIUM | 1 |
| MEXICO | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 126 |
| CHARLESTON, SC | 4 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 4 |
| MIAMI, FL | 4 |
| NEW ORLEANS, LA | 2 |
| WILMINGTON, NC | 1 |
Harmonized System classification
HS code 290351 — 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). The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 2903
Other six-digit codes in HS 2903: Halogenated derivatives of hydrocarbons, with their U.S. import volume.
Frequently asked questions about importing 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)
Who imports 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) (HS 290351)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of 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) include THE CHEMOURS COMPANY FC LLC, THE CHEMOURS COMPANY, HONEYWELL INTERNATIONAL, MEXICHEM FLUOR INC, and AC PRODUCTS USA.
Who is the largest U.S. importer of 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)?
THE CHEMOURS COMPANY FC LLC is the largest U.S. importer of 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) (HS 290351), with 74 bill-of-lading shipment records.
Who are the top suppliers of 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)?
Leading suppliers shipping 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) (HS 290351) to the U.S. include CHEMOURS NETHERLANDS BV, CHEMOURS NETHERLANDS B V, NAVIN FLUORINE INTERNATIONAL LTD, MEXICHEM FLUOR TAIWAN LIMITED, and ARCTIC HAYES LTD.
How many U.S. shipments of 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) are there?
ImportDoor has 141 U.S. import shipment records under HS code 290351, spanning May 2022 to Sep 2026.
Where is 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) imported from?
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) is imported into the U.S. primarily from NETHERLANDS, CHINA, and ROMANIA.
Find 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) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 290351, with contact details and container-level shipment records on ImportDoor.
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