Ultrahigh Purity Copper Sulfate
Ultrahigh purity copper sulfate (99.999%) for semiconductor doping and advanced materials research. This chemically defined copper sulfate is classified under tariff item 2833.25.00, as electronic grade purity does not change the classification.
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 doped and cut into discs or wafers for electronics
Doped chemical elements in disc or wafer form fall under Chapter 38.
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
• Provide the purity certificate (e.g
• 99.999% trace metal basis) on the commercial invoice
• Ensure the product is in powder or crystal form, not as doped wafers or discs, which would fall under Chapter 38
• Declare the end use (e.g
• semiconductor research) for customs clarity
Related Products under Tariff item 2833.25.00
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'.
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.