Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231)
Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231) has 291 U.S. import bill-of-lading shipment records between Feb 2020 and Aug 2026. The largest U.S. importer of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) is SUMITOMO RUBBER USA LLC, with 41 shipments, followed by BRIDGESTONE DE COSTA RICA S A and CONTINENTAL TIRE DE MEXICO S A DE. The leading supplier is LANXESS DEUTSCHLAND GMBH, with 90 shipments, followed by NOCIL LIMITED and SI GROUP. Goods originate mainly from GERMANY and INDIA, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. 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/381231-mixtures-of-oligomers-of-2-2-4-trimethyl-1-2-dihydroquinoline-tmq
See all 291 shipments of HS 381231 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 Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is NOCIL LIMITED → SUMITOMO RUBBER USA LLC with 41 shipments, followed by LANXESS DEUTSCHLAND GMBH → BRIDGESTONE DE COSTA RICA S A (33) and LANXESS DEUTSCHLAND GMBH → CONTINENTAL TIRE DE MEXICO S A DE (30).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SUMITOMO RUBBER USA LLC | 41 |
| BRIDGESTONE DE COSTA RICA S A | 33 |
| CONTINENTAL TIRE DE MEXICO S A DE | 30 |
| BRIDGESTONE DE MEXICO S A DE C V | 19 |
| SIMKO NORTH AMERICA LLC | 19 |
| SENNICS INC | 18 |
| COOPER TIRE AND RUBBER COMPANY | 11 |
| CONTINENTAL TIRE DE MEXICO SA DE CV | 10 |
| AIRBOSS RUBBER SOLUTIONS | 7 |
| CHEMPOINTERNATIONALLC | 7 |
Top suppliers
| Supplier | Shipments |
|---|---|
| LANXESS DEUTSCHLAND GMBH | 90 |
| NOCIL LIMITED | 62 |
| SI GROUP | 52 |
| GENERAL QUIMICA S A | 21 |
| SENNICS CO LTD | 18 |
| KEMAI CHEMICAL CO LTD | 8 |
| MEYOR INDUSTRIAL CO LTD | 7 |
| STAIR CHEMICAL & TECHNOLOGY CO LTD | 6 |
| ALCHEMY TRADE SHANGHAI LIMITED | 4 |
| SIMKO FAR EAST LIMITED | 4 |
Origin countries
| Country | Shipments |
|---|---|
| GERMANY | 92 |
| INDIA | 65 |
| CHINA | 62 |
| ITALY | 45 |
| SPAIN | 21 |
| REPUBLIC OF KOREA | 3 |
| BRAZIL | 1 |
| JAPAN | 1 |
| MALAYSIA | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 101 |
| NORFOLK, VA | 58 |
| CHARLESTON, SC | 50 |
| LONG BEACH, CA | 19 |
| SAVANNAH, GA | 16 |
| LOS ANGELES, CA | 9 |
| SEATTLE, WA | 9 |
| NEW YORK, NY | 7 |
| TACOMA, WA | 6 |
| PHILADELPHIA, PA | 5 |
Harmonized System classification
HS code 381231 — Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ). 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 3812
Other six-digit codes in HS 3812: Prepared rubber accelerators, with their U.S. import volume.
Frequently asked questions about importing Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
Who imports Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) include SUMITOMO RUBBER USA LLC, BRIDGESTONE DE COSTA RICA S A, CONTINENTAL TIRE DE MEXICO S A DE, BRIDGESTONE DE MEXICO S A DE C V, and SIMKO NORTH AMERICA LLC.
Who is the largest U.S. importer of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)?
SUMITOMO RUBBER USA LLC is the largest U.S. importer of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231), with 41 bill-of-lading shipment records.
Who are the top suppliers of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)?
Leading suppliers shipping Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) (HS 381231) to the U.S. include LANXESS DEUTSCHLAND GMBH, NOCIL LIMITED, SI GROUP, GENERAL QUIMICA S A, and SENNICS CO LTD.
How many U.S. shipments of Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) are there?
ImportDoor has 291 U.S. import shipment records under HS code 381231, spanning Feb 2020 to Aug 2026.
Where is Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) imported from?
Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) is imported into the U.S. primarily from GERMANY, INDIA, and CHINA.
Find Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 381231, with contact details and container-level shipment records on ImportDoor.
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