99.999% Selenium Ingot
Ultra-high purity selenium ingots (5N or 99.999%) for semiconductor doping and thin-film deposition. HTS 2804.90.00.00 applies to elemental selenium in ingot form when unworked. Excludes processed wafers or doped forms.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cut into semiconductor wafers or discs
Doped or wafer-formed selenium moves to heading 3818 per Chapter Note 8.
If integrated into hybrid circuits
Electronic integrated circuits containing selenium elements are Chapter 85 products.
If as doped chemical preparation for electronics
Doped elemental preparations for electronic use may be classified as chemical goods under 3824.
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Import Tips & Compliance
• Require lot-specific ICP-MS purity analysis; vacuum-sealed packaging mandatory; comply with Wassenaar Arrangement for high-purity export controls
Related Products under HTS 2804.90.00.00
Selenium Powder 99.99% Pure
High-purity selenium powder (99.99% Se) used in the production of semiconductors and photovoltaic cells. Classified under HTS 2804.90.00.00 as elemental selenium in powdered form, a nonmetal chemical element. Meets Chapter 28 requirements for chemically defined nonmetal elements.
Selenium Granules 99.9% Technical Grade
Technical-grade selenium granules (99.9% purity) for use in glass manufacturing to produce ruby-red coloring. Falls under HTS 2804.90.00.00 as unworked elemental selenium in granular form. Excludes worked forms or compounds.
High-Purity Selenium Shots
Selenium shots (99.999% pure) in shot form for laboratory research and high-end electronics manufacturing. HTS 2804.90.00.00 covers elemental selenium regardless of shape (shots, lumps) when unworked. Chemically defined nonmetal element.
Selenium Lumps 99.5% for Metallurgy
Industrial selenium lumps (99.5% purity) used as alloying additive in steel and copper metallurgy. Classified in 2804.90.00.00 as elemental selenium in lump form, a nonmetal used in elemental state.
Selenium Pellets for Glass Industry
Selenium pellets (99.8% purity) specifically for decolorizing and fining glass melts. Elemental selenium under 2804.90.00.00 in pellet form, meeting Chapter 28 nonmetal element criteria.
Research-Grade Selenium Rods
High-purity selenium rods for scientific research and prototype photovoltaic development. Classified as elemental selenium under HTS 2804.90.00.00 when in unworked rod form per Chapter Note 8.