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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically bound as selenide compound
Selenium compounds like sodium selenide are classified under other nonmetal oxides/acids in heading 2811, not pure elemental selenium.
If doped for electronic applications and cut into wafers
Per Chapter Note 8, doped selenium in wafer/disc form falls under 3818 as semiconductor materials, not elemental selenium.
If processed into finished photovoltaic cells
Completed solar cells containing selenium are semiconductor devices under Chapter 85, not raw elemental material.
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Import Tips & Compliance
• Verify purity certificate (≥99.5% selenium) to confirm elemental classification; provide MSDS for hazardous material handling; ensure packaging prevents oxidation during transport
Related Products under HTS 2804.90.00.00
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.
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.
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.