Anhydrous Copper Sulfate Powder
Anhydrous copper sulfate (CuSO4) in white powder form, without water of hydration. It is a separate chemically defined compound of copper, falling under tariff item 2833.25.00 as 'other sulphates of copper'.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not chemically defined or contains impurities beyond Chapter 28 Note 1 limits
Other sulphates not elsewhere specified may apply if the copper sulfate is not a separate chemically defined compound.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is clearly labelled as anhydrous CuSO4 with its CAS number on the commercial invoice
• Declare the end use (e.g
• catalyst or analytical reagent) to avoid classification queries
• Keep a certificate of analysis handy to confirm chemical purity
Related Products under Tariff item 2833.25.00
Copper(II) Sulfate for Aquaculture
Technical grade copper sulfate crystals used for aquaculture pond algae control. As a chemically defined copper sulfate, it is classified under tariff item 2833.25.00 regardless of its end use in water treatment.
Copper Sulfate Pentahydrate Crystals
Copper sulfate pentahydrate (CuSO4·5H2O) in blue crystalline form, used as a fungicide and in laboratory applications. This hydrated form is a separate chemically defined compound of copper, classified under tariff item 2833.25.00.
Copper Vitriol Blue Crystals
Copper vitriol, the traditional name for copper sulfate pentahydrate, presented as deep blue crystals for pigment and dye applications. It is chemically identical to copper sulfate pentahydrate and classified under tariff item 2833.25.00.
Electroplating Grade Copper Sulfate
Refined copper sulfate for electroplating baths, with high purity for uniform metal deposition. As a chemically defined copper sulfate, it falls under tariff item 2833.25.00, even though it is optimized for a specific industrial use.
Feed Grade Copper Sulfate Monohydrate
Feed grade copper sulfate monohydrate (CuSO4·H2O) with controlled particle size for livestock mineral supplements. This chemically defined copper sulfate is classified under tariff item 2833.25.00, with feed grade specifications affecting only purity, not classification.
Laboratory Grade Copper Sulfate
Laboratory grade copper sulfate pentahydrate (ACS reagent grade) for analytical and educational use. As a high-purity chemically defined compound, it is classified under tariff item 2833.25.00, with purity levels not affecting the tariff classification.