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Harmonized System
U.S. imports of aluminum sulfate (HS 283322) totaled $519K in July 2026, traded with 12 countries.
Importers of Aluminum Sulfate paid $36K in duties in July 2026 — an effective duty rate of 14% on $259K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAluminum sulfate is a foundational coagulant in municipal water treatment and paper sizing, classified under a single US tariff line (2833220000). Canada is the leading US supplier — a position reinforced by proximity and USMCA trade terms — with Colombia and Sweden also notable sources. The product is traded in both liquid (solution) and dry (granular or lump) forms, and the physical form can affect freight economics and handling requirements 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.
63 shipments/mo
Yes — both liquid (solution) and dry (granular, lump, or powdered) aluminum sulfate are classified under 2833220000. However, the physical form affects packaging, container type, and freight classification under carrier tariffs, so importers should ensure the commercial invoice and packing list accurately describe the form to avoid discrepancies at entry.
Aluminum sulfate used as a water treatment coagulant in the US must meet NSF/ANSI Standard 60 for drinking water treatment chemicals. Importers supplying municipal customers should obtain NSF certification documentation from the manufacturer and ensure the product meets applicable purity specifications before the shipment is committed to a water utility contract.
HSChapter 28
Subheading 9 of 10 in heading 2833
Subheading 283322 · $519K of $36.2M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2833220000 | Aluminum Sulfate | $519K | 7.03% | 49.84% | $36K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2833220000 | Aluminum Sulfate | $327K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$519KYoY · Pro
Exports
$327KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and Turkey together supply 56% of it.
customs district
destination
entry
rate provision · imports
50.1% enters free of duty; the effective duty rate is 7.03%.