U.S. imports of Copper Sulfate (HS 283325) totaled $13.3M in August 2026, imported from 17 countries.
Importers of Copper Sulfate paid $264K in duties in August 2026, an average duty rate of 1.98% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Copper Sulfate imports of $13.3M in August 2026 ran 28% above the year-to-date monthly average of $10.4M.
Last updated: August 2026 dataCopper sulfate (cupric sulfate) is a versatile inorganic salt traded under a single 10-digit line, 2833250000, and is subject to Section 301 tariff exposure when sourced from certain origins. Mexico leads US imports, followed by Taiwan and Chile, reflecting both proximity and the role of copper-mining economies in downstream chemical production. End-use demand spans agriculture (fungicide and algaecide formulations), electroplating baths, and water treatment, making purity grade and crystal size commercially significant classification factors.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
98 import shipments a month
Imports from certain origins may be subject to Section 301 tariffs. Importers should verify the current applicability of any trade-remedy orders against the country of origin before entry, as coverage and rates can change.
All copper sulfate—regardless of purity grade, crystal size, or intended use (agricultural, electroplating, or industrial)—falls under the single tariff line 2833250000. However, purity documentation may be required by end-use regulators such as EPA for pesticide-grade material.
Subheading 2 of 10 in heading 2833
Subheading 283325 · $13.3M of $38.3M
ImportsExports
Imports
$13.3MYoY · free account
Exports
$11.2MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $119.2M of Copper Sulfate and exported $125.3M.
Through August 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2833250000 | Copper Sulfate | $13.3M | 1.98% | 21.12% | $264K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2833250000 | Copper Sulfate | $11.2M |
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.
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Imports · August 2026
origin
Mexico and Taiwan together supply 87% of it.
customs district
destination
entry
rate provision · imports
78.9% enters free of duty; duty collected equals 1.98% of imports for consumption.