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 2822.00.00.90 as a commercial cobalt oxide, distinct from pure cobalt(II,III) oxide, meeting Chapter 28 definitions for inorganic metal oxides.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If commercial cobalt(II,III) oxide
Pure or commercial Co3O4 falls under the specific subheading for cobalt(II,III) oxide.
If impure or contains organic stabilizers
Mixtures or preparations not chemically defined per Chapter 28 notes shift to chemical preparations.
If used as luminophore in phosphors
Inorganic products used as luminophores are excluded to heading 3206 per Chapter 28 note.
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Import Tips & Compliance
• Verify purity and chemical definition per Chapter 28 Note 1 to avoid misclassification as mixtures
• Include Safety Data Sheets (SDS) and Certificates of Analysis for customs clearance
• Ensure proper UN hazard labeling as it may be toxic; common pitfall is incomplete hazmat documentation
Related Products under HTS 2822.00.00.90
Cobalt Hydroxide (Co(OH)2)
Cobalt hydroxide is an inorganic compound used in battery cathode production and as a pigment precursor. Classified under HTS 2822.00.00.90 as commercial cobalt hydroxides, it qualifies as chemically defined per Chapter 28.
Tricobalt Tetroxide Powder
Tricobalt tetroxide (Co3O4) powder, when not meeting commercial cobalt(II,III) oxide specs, serves in catalysts and enamels. It is an 'other' cobalt oxide under 2822.00.00.90 as a chemically defined inorganic compound.
Cobaltous Carbonate
Though primarily under 2836, basic or commercial cobalt carbonates not fitting pure forms classify here as cobalt oxide equivalents. Used in porcelain glazes; chemically defined per Chapter notes.
Cobalt Oxide Sputtering Target
High-purity cobalt oxide formed into sputtering targets for thin-film deposition in electronics. As chemically defined cobalt oxide, it is 'other' under 2822.00.00.90.
Hydrated Cobalt Oxide
Hydrated cobalt oxide, a partially oxidized hydroxide form, used in electroplating. Falls under 'other' commercial cobalt oxides in 2822.00.00.90 as inorganic cobalt compound.
Cobalt Black Pigment (Co3O4)
Cobalt black, a spinel-structured Co3O4 pigment for ceramics, when not commercial grade. Classified as other cobalt oxide under 2822.00.00.90.