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.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If processed into rods or cylinders for electronics
Doped or worked forms for electronics shift to 3818 per chapter provisions.
If impure or containing organic stabilizers
Any non-chemically defined mixtures or stabilized forms go to prepared chemical products in 3824.
If containing vanadium as borides
Borides like vanadium boride are classified as metal borides in 2840.
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Import Tips & Compliance
• Include spectroscopic analysis for purity verification; ensure packaging prevents oxidation; declare correctly to avoid Chapter 38 chemical prep classification
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.
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.
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.
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.