Nanostructured Cobalt Tetroxide for Spintronics

Nanocrystalline Co3O4 (<50nm particles) for thin-film deposition in spintronic devices and magnetic sensors. HTS 2822.00.0010 covers this chemically defined cobalt oxide used in advanced electronics materials research. Exhibits ferromagnetic properties at room temperature.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China0.1%+25.0%25.1%
🇲🇽Mexico0.1%0.1%
🇨🇦Canada0.1%0.1%
🇩🇪Germany0.1%0.1%
🇯🇵Japan0.1%0.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3818.00.00Higher: 50% vs 25.1%

If doped and wafer-formed for electronics

Doped elements in worked electronic forms per Chapter note go to 3818.

2849.90.50.00Higher: 38.7% vs 25.1%

If carbided for cermet applications

Metal carbides excluded to Section XV.

3824.99Lower: 15% vs 25.1%

If in organo-inorganic dispersion

Organo-inorganic compounds excluded per Chapter note 1(b).

Not sure which classification is right?

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Import Tips & Compliance

Include TEM/SEM analysis confirming nanostructure; declare for R&D use if applicable

Avoid 3818 if not doped semiconductor wafers

Related Products under HTS 2822.00.00.10

Cobalt(II, III) Oxide Powder

High-purity Cobalt(II, III) oxide (Co3O4), also known as cobalt tetroxide, in fine powder form used primarily as a precursor in ceramics and battery production. This chemically defined inorganic compound falls under HTS 2822.00.0010 as a commercial cobalt oxide due to its specific mixed-valence structure. It is essential for manufacturing lithium-ion battery cathodes and magnetic materials.

Commercial Cobalt Tetroxide for Porcelain Glazes

Commercial-grade Co3O4 powder specifically formulated for imparting blue coloration to ceramic glazes and porcelain enamels. Classified under HTS 2822.00.0010 as it is a chemically defined cobalt oxide used in industrial pigment applications. Provides durable pigmentation resistant to high firing temperatures.

High-Purity Cobalt(II, III) Oxide for Lithium Batteries

Ultra-high purity (>99.9%) cobalt tetroxide nanoparticles used as cathode active material precursor in lithium cobalt oxide (LiCoO2) batteries. Falls under HTS 2822.00.0010 as a chemically defined commercial cobalt oxide critical for rechargeable battery manufacturing. Enables high-energy density cells for electronics.

Cobalt Tetroxide Black Pigment for Glass Manufacturing

Synthetic black cobalt(II, III) oxide pigment powder designed for coloring glass bottles and containers. HTS 2822.00.0010 classification applies to this pure chemically defined oxide used in industrial glass production. Provides intense blue-black tint stable at glass melting temperatures.

Co3O4 Catalyst Precursor for Chemical Synthesis

Calcined cobalt tetroxide used as precursor for preparing supported cobalt catalysts in Fischer-Tropsch synthesis and petrochemical processes. Classified in HTS 2822.00.0010 as commercial cobalt oxide meeting chemical definition requirements. High surface area enables efficient catalyst impregnation.