Alginic acid, its salts and esters (HS 391310)
Alginic acid, its salts and esters (HS 391310) has 451 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Alginic acid, its salts and esters is KIMICA AMERICA INC, with 58 shipments, followed by DANISCO USA INC and DUPONT NUTRITION USA INC. The leading supplier is ALGINATOS CHILE S A, with 56 shipments, followed by INTERNATIONAL N&H MANUFACTURING UK LIMITED and KIMICA CORP. Goods originate mainly from UNITED KINGDOM and FRANCE, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. 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/391310-alginic-acid-its-salts-and-esters
See all 451 shipments of HS 391310 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 Alginic acid, its salts and esters (HS 391310), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is INTERNATIONAL N&H MANUFACTURING UK LIMITED → DANISCO USA INC with 54 shipments, followed by JRS MARINE PRODUCTS LANDERNEAU SAS → J RETTENMAIER USA LP (39) and ALGINATOS CHILE S A → KIMICA AMERICA INC (29).
Top U.S. importers
| Importer | Shipments |
|---|---|
| KIMICA AMERICA INC | 58 |
| DANISCO USA INC | 55 |
| DUPONT NUTRITION USA INC | 53 |
| J RETTENMAIER USA LP | 43 |
| INTERNATIONAL N&H USA INC | 25 |
| FREDDY HIRSCH GROUP USA INC | 14 |
| INTERNATIONAL N AND H USA INC | 13 |
| ITOCHU LOGISTICS USA CORP | 11 |
| AJINOMOTO HEALTH AND NUTRITION NORTH AMERICA INC | 8 |
| D2 INGREDIENTS LP 1244 ENTERPRISE | 8 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ALGINATOS CHILE S A | 56 |
| INTERNATIONAL N&H MANUFACTURING UK LIMITED | 54 |
| KIMICA CORP | 49 |
| JRS MARINE PRODUCTS LANDERNEAU SAS | 43 |
| DUPONT NUTRITION NORGE AS | 32 |
| IFF N&H NORWAY AS | 27 |
| DUPONT NUTRITION MANUFACTURING UK | 26 |
| IFF N AND H NORWAY AS | 16 |
| ALGAIA | 12 |
| QINGDAO BRIGHT MOON SEAWEED GROUP CO LTD | 9 |
Origin countries
| Country | Shipments |
|---|---|
| UNITED KINGDOM | 113 |
| FRANCE | 75 |
| JAPAN | 48 |
| BRAZIL | 31 |
| CHILE | 31 |
| CHINA | 30 |
| NETHERLANDS | 28 |
| NORWAY | 17 |
| BELGIUM | 9 |
| GERMANY | 7 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 165 |
| CHESTER, PA | 97 |
| LOS ANGELES, CA | 42 |
| NEW YORK, NY | 22 |
| BALTIMORE, MD | 19 |
| CHARLESTON, SC | 19 |
| LONG BEACH, CA | 16 |
| PHILADELPHIA, PA | 15 |
| NORFOLK, VA | 14 |
| MIAMI, FL | 10 |
Harmonized System classification
HS code 391310 — Alginic acid, its salts and esters. 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 3913
Other six-digit codes in HS 3913: Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms, with their U.S. import volume.
Frequently asked questions about importing Alginic acid, its salts and esters
Who imports Alginic acid, its salts and esters (HS 391310)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Alginic acid, its salts and esters include KIMICA AMERICA INC, DANISCO USA INC, DUPONT NUTRITION USA INC, J RETTENMAIER USA LP, and INTERNATIONAL N&H USA INC.
Who is the largest U.S. importer of Alginic acid, its salts and esters?
KIMICA AMERICA INC is the largest U.S. importer of Alginic acid, its salts and esters (HS 391310), with 58 bill-of-lading shipment records.
Who are the top suppliers of Alginic acid, its salts and esters?
Leading suppliers shipping Alginic acid, its salts and esters (HS 391310) to the U.S. include ALGINATOS CHILE S A, INTERNATIONAL N&H MANUFACTURING UK LIMITED, KIMICA CORP, JRS MARINE PRODUCTS LANDERNEAU SAS, and DUPONT NUTRITION NORGE AS.
How many U.S. shipments of Alginic acid, its salts and esters are there?
ImportDoor has 451 U.S. import shipment records under HS code 391310, spanning Jan 2020 to Aug 2026.
Where is Alginic acid, its salts and esters imported from?
Alginic acid, its salts and esters is imported into the U.S. primarily from UNITED KINGDOM, FRANCE, and JAPAN.
Find Alginic acid, its salts and esters importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 391310, with contact details and container-level shipment records on ImportDoor.
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