Phosphite esters and their salts, trimethyl phosphite (HS 292023)
Phosphite esters and their salts, trimethyl phosphite (HS 292023) has 207 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Phosphite esters and their salts, trimethyl phosphite is SOLVAY USA INC, with 87 shipments, followed by AMVAC CHEMICAL CORP and SI GROUP. The leading supplier is UPL LIMITED, with 185 shipments, followed by SUPERFORM CHEMISTRIES LIMITED and SIGMA ALDRICH GMBH. Goods originate mainly from INDIA and GERMANY, arriving primarily at CHARLESTON, SC. Import volume has declined 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/292023-phosphite-esters-and-their-salts-trimethyl-phosphite
See all 207 shipments of HS 292023 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 Phosphite esters and their salts, trimethyl phosphite (HS 292023), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is UPL LIMITED → SOLVAY USA INC with 84 shipments, followed by UPL LIMITED → AMVAC CHEMICAL CORP (69) and UPL LIMITED → SI GROUP (19).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SOLVAY USA INC | 87 |
| AMVAC CHEMICAL CORP | 74 |
| SI GROUP | 19 |
| SOLVAY USA LLC | 12 |
| LANXESS CORP | 2 |
| SIGMA ALDRICH INTERNATIONAL | 2 |
| AMVAC WASHINGTON PLANT | 1 |
| HARCROS CHEMICALS DALTON MFG | 1 |
| HARCROS CHEMICALS INC | 1 |
| ISLECHEM LLC | 1 |
Top suppliers
| Supplier | Shipments |
|---|---|
| UPL LIMITED | 185 |
| SUPERFORM CHEMISTRIES LIMITED | 18 |
| SIGMA ALDRICH GMBH | 2 |
| UPI LIMITED | 1 |
| WHOLLY OWNED SUBSIDIARY OF UPL LTD | 1 |
Origin countries
| Country | Shipments |
|---|---|
| INDIA | 205 |
| GERMANY | 2 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHARLESTON, SC | 127 |
| LOS ANGELES, CA | 27 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 27 |
| SAVANNAH, GA | 16 |
| HOUSTON, TX | 8 |
| LONG BEACH, CA | 2 |
Harmonized System classification
HS code 292023 — Phosphite esters and their salts, trimethyl phosphite. 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 2920
Other six-digit codes in HS 2920: Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts, other (292090) | 1,855 |
| Phosphite esters and their salts, other (292029) | 910 |
Frequently asked questions about importing Phosphite esters and their salts, trimethyl phosphite
Who imports Phosphite esters and their salts, trimethyl phosphite (HS 292023)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Phosphite esters and their salts, trimethyl phosphite include SOLVAY USA INC, AMVAC CHEMICAL CORP, SI GROUP, SOLVAY USA LLC, and LANXESS CORP.
Who is the largest U.S. importer of Phosphite esters and their salts, trimethyl phosphite?
SOLVAY USA INC is the largest U.S. importer of Phosphite esters and their salts, trimethyl phosphite (HS 292023), with 87 bill-of-lading shipment records.
Who are the top suppliers of Phosphite esters and their salts, trimethyl phosphite?
Leading suppliers shipping Phosphite esters and their salts, trimethyl phosphite (HS 292023) to the U.S. include UPL LIMITED, SUPERFORM CHEMISTRIES LIMITED, SIGMA ALDRICH GMBH, UPI LIMITED, and WHOLLY OWNED SUBSIDIARY OF UPL LTD.
How many U.S. shipments of Phosphite esters and their salts, trimethyl phosphite are there?
ImportDoor has 207 U.S. import shipment records under HS code 292023, spanning Jan 2020 to Aug 2026.
Where is Phosphite esters and their salts, trimethyl phosphite imported from?
Phosphite esters and their salts, trimethyl phosphite is imported into the U.S. primarily from INDIA and GERMANY.
Find Phosphite esters and their salts, trimethyl phosphite importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 292023, with contact details and container-level shipment records on ImportDoor.
Start for free