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HSChapter 28
U.S. imports of potassium phosphate (HS 283524) totaled $7.0M in April 2026, traded with 15 countries.
Importers of Potassium Phosphate paid $576K in duties in April 2026 — an effective duty rate of 12% on $4.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Potassium Phosphate imports of $7.0M in April 2026 ran 45% above the year-to-date monthly average of $4.8M.
Last updated: April 2026 dataPotassium phosphate serves as a critical input across food processing, pharmaceutical formulation, and fertilizer manufacturing, where precise purity grades determine end-use suitability. Israel leads US import supply, followed by France and Germany, reflecting Europe's established specialty chemical production base. The single US tariff line 2835240000 captures all forms — mono-, di-, and tripotassium phosphate — so importers must ensure the correct chemical specification is documented on entry paperwork to avoid reclassification disputes. Food-grade and pharmaceutical-grade shipments may be subject to FDA review at the port of entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. The US schedule consolidates all potassium phosphate salts under 2835240000 regardless of the potassium-to-phosphate ratio. Importers should clearly identify the specific salt form on commercial invoices and certificates of analysis to support any downstream regulatory or quality requirements, even though the customs classification does not distinguish between them.
Food-grade and pharmaceutical-grade potassium phosphate may be subject to FDA admissibility review, including examination of labeling, purity specifications, and the foreign manufacturer's compliance history. Importers are advised to maintain certificates of analysis and supplier documentation. Classification and admissibility are complex; consult a licensed customs broker or FDA-registered agent before shipment.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2835240000 | POTASSIUM PHOSPHATE | $7.0M | 11.66% | $576K |
POTASSIUM PHOSPHATE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2835240000 | POTASSIUM PHOSPHATE | $2.6M |
POTASSIUM PHOSPHATE
1.1M kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| State | Imports | Exports | Balance |
|---|---|---|---|
| Illinois | $2.2M | $103K | -$2.1M |
| New Jersey | $1.6M | $36K | -$1.6M |
| Missouri | -- | $1.3M | +$1.3M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $2.1M | -- | -$2.1M |
| PORT MANATEE, FL | $2.0M | -- | -$2.0M |
| NORFOLK-NEWPORT NEWS, VA | $146K | $858K | +$712K |