Butene (Butylene) and isomers thereof (HS 290123)
Butene (Butylene) and isomers thereof (HS 290123) has 208 U.S. import bill-of-lading shipment records between Jun 2019 and Jun 2026. The largest U.S. importer of Butene (Butylene) and isomers thereof is STOLT TANK CONTAINER B V BY STOLT, with 74 shipments, followed by MITSUI CHEMICALS AMERICA INC and PT POLYTECH INDO HAUSEN. The leading supplier is STOLT NIELSEN BRASIL AFRETAMENTO LT, with 74 shipments, followed by NOVA CHEMICALS INTERNATIONAL S A and MITSUI ELASTOMERS SINGAPORE PTE LTD. Goods originate mainly from BRAZIL and JAPAN, arriving primarily at HOUSTON, TX. Import volume has risen over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/290123-butene-butylene-and-isomers-thereof
See all 208 shipments of HS 290123 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 Butene (Butylene) and isomers thereof (HS 290123), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is STOLT NIELSEN BRASIL AFRETAMENTO LT → STOLT TANK CONTAINER B V BY STOLT with 74 shipments, followed by MITSUI ELASTOMERS SINGAPORE PTE LTD → MITSUI CHEMICALS AMERICA INC (44) and NOVA CHEMICALS INTERNATIONAL S A → PT POLYTECH INDO HAUSEN (12).
Top U.S. importers
| Importer | Shipments |
|---|---|
| STOLT TANK CONTAINER B V BY STOLT | 74 |
| MITSUI CHEMICALS AMERICA INC | 44 |
| PT POLYTECH INDO HAUSEN | 12 |
| DEN HARTOGH AMERICAS | 7 |
| PT PANCA BUDI PRATAMA | 7 |
| PT PANCA BUANA PLASINDO | 6 |
| DEN HARTOGH USA | 5 |
| UNISTAR CHEMICAL INC | 5 |
| DEN HARTOGH AMERICAS INC | 4 |
| PT STELLARWAY INDONESIA JL BTS KOTA BOYOLALI KARTOSURO | 4 |
Top suppliers
| Supplier | Shipments |
|---|---|
| STOLT NIELSEN BRASIL AFRETAMENTO LT | 74 |
| NOVA CHEMICALS INTERNATIONAL S A | 45 |
| MITSUI ELASTOMERS SINGAPORE PTE LTD | 44 |
| OMEGA INTERNATIONAL SAS | 10 |
| OMEGA INTERNATIONAL SAS NIT | 6 |
| ZIBO RHEMA INTERNATIONAL INC | 6 |
| EXCEL NOBLEZA SAPI DE CV | 5 |
| ISOLTEMA SPA | 3 |
| JAIN SPECIALTY FINE CHEMICALS OFFICE | 2 |
| ANQING HEXING CHEMICAL CO LTD | 1 |
Origin countries
| Country | Shipments |
|---|---|
| BRAZIL | 76 |
| JAPAN | 44 |
| CANADA | 40 |
| COLUMBIA | 16 |
| CHINA | 14 |
| MEXICO | 5 |
| INDIA | 3 |
| ITALY | 2 |
| REPUBLIC OF KOREA | 2 |
| SPAIN | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 101 |
| LOS ANGELES, CA | 32 |
| SEATTLE, WA | 30 |
| TACOMA, WA | 13 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 12 |
| SAVANNAH, GA | 7 |
| LONG BEACH, CA | 4 |
| MIAMI, FL | 3 |
| NEW YORK, NY | 1 |
| NORFOLK, VA | 1 |
Harmonized System classification
HS code 290123 — Butene (Butylene) and isomers thereof. 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 2901
Other six-digit codes in HS 2901: Acyclic hydrocarbons, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Acyclic hydrocarbons, saturated (290110) | 4,029 |
| Unsaturated, other (290129) | 1,069 |
| Unsaturated, ethylene (290121) | 855 |
| Buta-1,3-diene and isoprene (290124) | 128 |
Frequently asked questions about importing Butene (Butylene) and isomers thereof
Who imports Butene (Butylene) and isomers thereof (HS 290123)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Butene (Butylene) and isomers thereof include STOLT TANK CONTAINER B V BY STOLT, MITSUI CHEMICALS AMERICA INC, PT POLYTECH INDO HAUSEN, DEN HARTOGH AMERICAS, and PT PANCA BUDI PRATAMA.
Who is the largest U.S. importer of Butene (Butylene) and isomers thereof?
STOLT TANK CONTAINER B V BY STOLT is the largest U.S. importer of Butene (Butylene) and isomers thereof (HS 290123), with 74 bill-of-lading shipment records.
Who are the top suppliers of Butene (Butylene) and isomers thereof?
Leading suppliers shipping Butene (Butylene) and isomers thereof (HS 290123) to the U.S. include STOLT NIELSEN BRASIL AFRETAMENTO LT, NOVA CHEMICALS INTERNATIONAL S A, MITSUI ELASTOMERS SINGAPORE PTE LTD, OMEGA INTERNATIONAL SAS, and OMEGA INTERNATIONAL SAS NIT.
How many U.S. shipments of Butene (Butylene) and isomers thereof are there?
ImportDoor has 208 U.S. import shipment records under HS code 290123, spanning Jun 2019 to Jun 2026.
Where is Butene (Butylene) and isomers thereof imported from?
Butene (Butylene) and isomers thereof is imported into the U.S. primarily from BRAZIL, JAPAN, and CANADA.
Find Butene (Butylene) and isomers thereof importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 290123, with contact details and container-level shipment records on ImportDoor.
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