Quaternary ammonium salts and hydroxides, other (HS 292390)
Quaternary ammonium salts and hydroxides, other (HS 292390) has 1,355 U.S. import bill-of-lading shipment records between Jan 2020 and Jun 2026. The largest U.S. importer of Quaternary ammonium salts and hydroxides, other is SOLENIS LLC, with 222 shipments, followed by KEMIRA CHEMICALS INC and SACHEM INC. The leading supplier is SOLENIS SWITZERLAND GMBH, with 243 shipments, followed by KEMIRA OYJ and THOR ESPECIALIDADES S A. Goods originate mainly from BELGIUM and SPAIN, 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 June 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Quaternary ammonium salts and hydroxides, other (HS 292390), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SOLENIS SWITZERLAND GMBH → SOLENIS LLC with 218 shipments, followed by KEMIRA OYJ → KEMIRA CHEMICALS INC (155) and THOR ESPECIALIDADES S A → THOR SPECIALTIES (48).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SOLENIS LLC | 222 |
| KEMIRA CHEMICALS INC | 156 |
| SACHEM INC | 106 |
| MOBICHEM LLC | 59 |
| THOR SPECIALTIES | 54 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SOLENIS SWITZERLAND GMBH | 243 |
| KEMIRA OYJ | 162 |
| THOR ESPECIALIDADES S A | 132 |
| FINNFEEDS FINLAND OY | 61 |
| SACHEM EUROPE B V | 56 |
Origin countries
| Country | Shipments |
|---|---|
| BELGIUM | 323 |
| SPAIN | 179 |
| INDIA | 112 |
| CHINA | 107 |
| ITALY | 99 |
| REPUBLIC OF KOREA | 98 |
| NORWAY | 84 |
| NETHERLANDS | 77 |
| NETHERLANDS ANTILLES | 46 |
| GERMANY | 35 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHARLESTON, SC | 289 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 214 |
| HOUSTON, TX | 159 |
| MIAMI, FL | 117 |
| NORFOLK, VA | 105 |
| MOBILE, AL | 104 |
| LOS ANGELES, CA | 96 |
| NEW ORLEANS, LA | 51 |
| SAVANNAH, GA | 45 |
| OAKLAND, CA | 34 |
Harmonized System classification
HS code 292390 — Quaternary ammonium salts and hydroxides, other. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Frequently asked questions about importing Quaternary ammonium salts and hydroxides, other
Who imports Quaternary ammonium salts and hydroxides, other (HS 292390)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Quaternary ammonium salts and hydroxides, other include SOLENIS LLC, KEMIRA CHEMICALS INC, SACHEM INC, MOBICHEM LLC, and THOR SPECIALTIES.
Who is the largest U.S. importer of Quaternary ammonium salts and hydroxides, other?
SOLENIS LLC is the largest U.S. importer of Quaternary ammonium salts and hydroxides, other (HS 292390), with 222 bill-of-lading shipment records.
Who are the top suppliers of Quaternary ammonium salts and hydroxides, other?
Leading suppliers shipping Quaternary ammonium salts and hydroxides, other (HS 292390) to the U.S. include SOLENIS SWITZERLAND GMBH, KEMIRA OYJ, THOR ESPECIALIDADES S A, FINNFEEDS FINLAND OY, and SACHEM EUROPE B V.
How many U.S. shipments of Quaternary ammonium salts and hydroxides, other are there?
ImportDoor has 1,355 U.S. import shipment records under HS code 292390, spanning Jan 2020 to Jun 2026.
Where is Quaternary ammonium salts and hydroxides, other imported from?
Quaternary ammonium salts and hydroxides, other is imported into the U.S. primarily from BELGIUM, SPAIN, and INDIA.
Find Quaternary ammonium salts and hydroxides, other importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 292390, with contact details and container-level shipment records on ImportDoor.
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