Ultrahigh Purity Copper Sulfate
99.999% CuSO4 for semiconductor doping and advanced materials research. HTS 2833.25.00.00 for chemically defined salts; electronic grade excludes worked forms per chapter notes. Supplied in cleanroom packaging.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped for electronics in disc/wafer form
Chapter note: doped elements cut into wafers classify in 3818.
If semiconductor process chemical mixtures
Complex preparations for electronics in 3824.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• ICP-MS analysis required showing <1ppb impurities
• Double-bagged in cleanroom; nitrogen purged shipping
• ITAR/EAR screening if for defense electronics
Related Products under HTS 2833.25.00.00
Copper Sulfate Pentahydrate Crystals
Blue crystalline powder known as chalcanthite, with the formula CuSO4·5H2O, used in agriculture as a fungicide and in chemistry labs. Classified under HTS 2833.25.00.00 as a sulfate of copper, meeting Chapter 28 criteria for chemically defined inorganic compounds. Excludes organo-inorganic compounds per chapter notes.
Anhydrous Copper Sulfate Powder
White powder form of CuSO4 without water of hydration, used in catalysts and analytical chemistry. Falls under HTS 2833.25.00.00 as other sulfates of copper, distinct from hydrated forms but same chemical classification. Pure inorganic compound per Chapter 28 definitions.
Copper(II) Sulfate for Aquaculture
Technical grade copper sulfate crystals for pond algae control in fish farming. HTS 2833.25.00.00 covers sulfates of copper regardless of end use, as long as chemically defined. Used in dilute solutions for water treatment.
Laboratory Grade Copper Sulfate
High-purity CuSO4·5H2O (ACS reagent grade) for analytical and educational use. Precisely classified in 2833.25.00.00 as copper sulfate, chemically defined per Chapter 28 Note 1. Supplied in small bottles for lab safety.
Electroplating Grade Copper Sulfate
Refined copper sulfate used in acidic copper plating baths for electronics manufacturing. HTS 2833.25.00.00 for pure copper sulfates; purity optimized for uniform deposition. Excludes prepared plating solutions.
Copper Vitriol Blue Crystals
Traditional name for hydrated copper sulfate pentahydrate, used in pigments and dyes. Classified under 2833.25.00.00 as sulfate of copper; historical vitriol but modern chemical definition applies. Deep blue color from Cu2+ ions.