Dithionites and sulfoxylates of sodium (HS 283110)
Dithionites and sulfoxylates of sodium (HS 283110) has 611 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Dithionites and sulfoxylates of sodium is ROYCE ASSOCIATES, with 105 shipments, followed by BRUEGGEMANN CHEMICAL US INC and BRUGGEMANN CHEMICALS U S INC. The leading supplier is L BRUEGGEMANN GMBH & CO, with 303 shipments, followed by SILOX INDIA PRIVATE LIMITED and SILOX LNDIA PRIVATE LIMITED. Goods originate mainly from GERMANY and INDIA, 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 July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Dithionites and sulfoxylates of sodium (HS 283110), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is L BRUEGGEMANN GMBH & CO → BRUEGGEMANN CHEMICAL US INC with 73 shipments, followed by SILOX INDIA PRIVATE LIMITED → ROYCE ASSOCIATES (66) and L BRUEGGEMANN GMBH & CO → BRUGGEMANN CHEMICALS U S INC (62).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ROYCE ASSOCIATES | 105 |
| BRUEGGEMANN CHEMICAL US INC | 73 |
| BRUGGEMANN CHEMICALS U S INC | 63 |
| BRUEGGEMANN CHEMICAL U S INC | 57 |
| BR GGEMANN CHEMICAL U S INC | 47 |
Top suppliers
| Supplier | Shipments |
|---|---|
| L BRUEGGEMANN GMBH & CO | 303 |
| SILOX INDIA PRIVATE LIMITED | 87 |
| SILOX LNDIA PRIVATE LIMITED | 19 |
| TRANSPEK SILOX INDUSTRIAL PRIVATE LIM | 16 |
| CATHAY CHEMICAL WORKS INC | 14 |
Origin countries
| Country | Shipments |
|---|---|
| GERMANY | 167 |
| INDIA | 138 |
| BELGIUM | 97 |
| CHINA | 40 |
| NETHERLANDS ANTILLES | 39 |
| NETHERLANDS | 30 |
| ROMANIA | 29 |
| TAIWAN | 21 |
| FRANCE | 15 |
| MOROCCO | 11 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHARLESTON, SC | 193 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 86 |
| CHESTER, PA | 58 |
| NORFOLK, VA | 51 |
| LOS ANGELES, CA | 42 |
| SAVANNAH, GA | 39 |
| HOUSTON, TX | 37 |
| PHILADELPHIA, PA | 35 |
| NEW ORLEANS, LA | 20 |
| LONG BEACH, CA | 17 |
Harmonized System classification
HS code 283110 — Dithionites and sulfoxylates of sodium. 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.
Frequently asked questions about importing Dithionites and sulfoxylates of sodium
Who imports Dithionites and sulfoxylates of sodium (HS 283110)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Dithionites and sulfoxylates of sodium include ROYCE ASSOCIATES, BRUEGGEMANN CHEMICAL US INC, BRUGGEMANN CHEMICALS U S INC, BRUEGGEMANN CHEMICAL U S INC, and BR GGEMANN CHEMICAL U S INC.
Who is the largest U.S. importer of Dithionites and sulfoxylates of sodium?
ROYCE ASSOCIATES is the largest U.S. importer of Dithionites and sulfoxylates of sodium (HS 283110), with 105 bill-of-lading shipment records.
Who are the top suppliers of Dithionites and sulfoxylates of sodium?
Leading suppliers shipping Dithionites and sulfoxylates of sodium (HS 283110) to the U.S. include L BRUEGGEMANN GMBH & CO, SILOX INDIA PRIVATE LIMITED, SILOX LNDIA PRIVATE LIMITED, TRANSPEK SILOX INDUSTRIAL PRIVATE LIM, and CATHAY CHEMICAL WORKS INC.
How many U.S. shipments of Dithionites and sulfoxylates of sodium are there?
ImportDoor has 611 U.S. import shipment records under HS code 283110, spanning Jan 2020 to Jul 2026.
Where is Dithionites and sulfoxylates of sodium imported from?
Dithionites and sulfoxylates of sodium is imported into the U.S. primarily from GERMANY, INDIA, and BELGIUM.
Find Dithionites and sulfoxylates of sodium importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 283110, with contact details and container-level shipment records on ImportDoor.
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