Cobalt(II) Oxide (CoO)
Cobalt(II) oxide is a chemically defined inorganic compound of cobalt used primarily as a precursor in ceramics and glass coloring. It falls under HTS 2822.00.00 as a pure cobalt oxide, distinct from commercial grades with impurities.
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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 in unwrought metallic form or powder for metallurgy
Cobalt powders or unwrought cobalt classified in Chapter 81 as cobalt articles, not oxides.
If chemically defined but mixed with organic stabilizers
Organo-inorganic mixtures fall under 3824 per Chapter 28 exclusions.
If in carbide form like cobalt-tungsten carbide
Carbides classified in 2849; Chapter 28 note excludes certain carbon compounds.
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Import Tips & Compliance
• Verify purity via certificate of analysis to confirm classification as chemically defined cobalt oxide under Chapter 28 notes
• Ensure SDS includes CAS number (1317-38-0) for customs; avoid misclassification as alloys if metallic impurities exceed limits
• Declare exact Co content; commercial grades may shift to 2822 if impure
Related Products under HTS 2822.00.00
Cobalt(II,III) Oxide (Co3O4)
Cobalt(II,III) oxide, or tricobalt tetraoxide, is an olive-black powder used in battery cathodes and pigments. Classified under HTS 2822.00.00 as a cobalt oxide meeting Chapter 28's chemically defined criteria.
Battery-Grade Cobalt Tetroxide
High-purity cobalt tetroxide (Co3O4) optimized for lithium-cobalt-oxide cathode production in EVs. Falls under HTS 2822.00.00 as a chemically defined cobalt oxide for industrial use.
Cobalt Green Oxide Pigment
Cobalt zinc oxide (CoZnO) blend used as a green pigment in ceramics, technically a commercial cobalt oxide. Classified in HTS 2822.00.00 for its primary cobalt oxide composition.
Hydrated Cobalt Oxide
Partially hydrated CoO used in chemical synthesis and animal feed supplements. Included as cobalt oxides/hydroxides under HTS 2822.00.00.
Commercial Cobalt Litharge
Impure cobalt monoxide (CoO) known as litharge, for glass decolorizing. HTS 2822.00.00 for commercial cobalt oxides.
Nanopowder Cobalt Oxide
Co3O4 nanoparticles (<100nm) for supercapacitors and sensors. Chemically defined, thus HTS 2822.00.00.