Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540)
Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540) has 1,316 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) is PRAYON INC, with 275 shipments, followed by VALUDOR PRODUCTS LLC and HAIFA NORTH AMERICA INC. The leading supplier is PRAYON SA, with 180 shipments, followed by PRAYON S A and CASHMERE CAPITAL LTD. Goods originate mainly from BELGIUM and CHINA, arriving primarily at NEW ORLEANS, LA. Import volume has held steady 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 Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is PRAYON SA → PRAYON INC with 176 shipments, followed by PRAYON S A → PRAYON INC (82) and CASHMERE CAPITAL LTD → VALUDOR PRODUCTS LLC (45).
Top U.S. importers
| Importer | Shipments |
|---|---|
| PRAYON INC | 275 |
| VALUDOR PRODUCTS LLC | 169 |
| HAIFA NORTH AMERICA INC | 70 |
| OCP NORTH AMERICA INC | 63 |
| ICL PREMIUM FERTILIZERS NA | 28 |
Top suppliers
| Supplier | Shipments |
|---|---|
| PRAYON SA | 180 |
| PRAYON S A | 95 |
| CASHMERE CAPITAL LTD | 88 |
| OCP SA | 53 |
| VALUDOR PRODUCTS LLC | 39 |
Origin countries
| Country | Shipments |
|---|---|
| BELGIUM | 357 |
| CHINA | 280 |
| RUSSIA | 162 |
| MOROCCO | 134 |
| MEXICO | 76 |
| SAUDI ARABIA | 46 |
| NETHERLANDS | 29 |
| ISRAEL | 24 |
| REPUBLIC OF KOREA | 17 |
| PORTUGAL | 17 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW ORLEANS, LA | 234 |
| LOS ANGELES, CA | 224 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 123 |
| SAVANNAH, GA | 90 |
| OAKLAND, CA | 89 |
| HOUSTON, TX | 81 |
| SEATTLE, WA | 63 |
| CHARLESTON, SC | 60 |
| MOBILE, AL | 47 |
| NORFOLK, VA | 42 |
Harmonized System classification
HS code 310540 — Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate). 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 Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)
Who imports Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) include PRAYON INC, VALUDOR PRODUCTS LLC, HAIFA NORTH AMERICA INC, OCP NORTH AMERICA INC, and ICL PREMIUM FERTILIZERS NA.
Who is the largest U.S. importer of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)?
PRAYON INC is the largest U.S. importer of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540), with 275 bill-of-lading shipment records.
Who are the top suppliers of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)?
Leading suppliers shipping Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) (HS 310540) to the U.S. include PRAYON SA, PRAYON S A, CASHMERE CAPITAL LTD, OCP SA, and VALUDOR PRODUCTS LLC.
How many U.S. shipments of Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) are there?
ImportDoor has 1,316 U.S. import shipment records under HS code 310540, spanning Jan 2020 to Jul 2026.
Where is Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) imported from?
Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) is imported into the U.S. primarily from BELGIUM, CHINA, and RUSSIA.
Find Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 310540, with contact details and container-level shipment records on ImportDoor.
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