Tellurium Powder 99.99% Pure
Ultra-pure tellurium powder for infrared detectors and thermoelectric devices. Classified in HTS 2804.50.00 as elemental tellurium, a nonmetal in powder form meeting Chapter 28 purity standards.
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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 as potassium tellurite or other inorganic salts
Inorganic tellurium salts are classified with other metal compounds in 2846.
If for electronic-grade doped tellurium
Doped nonmetals for electronics in specific forms fall under 3818.
If chemically defined mercuric telluride
Mercury compounds like mercuric telluride go to 2852 per subheading note.
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Import Tips & Compliance
• Submit XRF certificates for elemental composition; use inert atmosphere packaging; avoid confusion with Chapter 28 salts or Chapter 38 preps
Related Products under HTS 2804.50.00
Elemental Boron Powder
Pure elemental boron in fine powder form, used in nuclear reactors and as a doping agent in semiconductors. It falls under HTS 2804.50.00 as boron, a nonmetal element listed explicitly in this heading for chemically pure forms. This classification applies to unworked boron not mixed with other substances.
Amorphous Boron Granules
Granular amorphous boron, a high-purity nonmetal element used in pyrotechnics and metallurgy. Classified under HTS 2804.50.00 as elemental boron in unworked granular form, distinct from boron compounds or alloys.
High-Purity Crystalline Boron
Crystalline boron lumps or chunks with ultra-high purity for semiconductor doping. HTS 2804.50.00 covers this elemental nonmetal in pure, unworked form as specified in Chapter 28 notes.
Elemental Tellurium Metal Ingots
Pure tellurium ingots, a metalloid nonmetal used in solar panels and alloys. Falls under HTS 2804.50.00 as elemental tellurium, explicitly listed as a nonmetal separate from alloys or compounds.
Boron Rods Unworked
Solid boron rods in elemental form for research and high-temperature applications. HTS 2804.50.00 includes unworked forms like rods of pure boron as per chapter notes on chemical elements.
Refined Tellurium Shots
Small shot-form elemental tellurium, refined for alloying in steel production. Under HTS 2804.50.00 as pure tellurium nonmetal, not alloys or compounds.