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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dehydrated commercial form
Dehydrated versions match commercial oxide subheading.
If other mercuric compounds misidentified
No—mercury specific; but illustrates need for exact compound ID.
If prepared for pickling use
Metal pickling preparations containing cobalt oxides to Chapter 38.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify hydration level in technical specs to confirm oxide classification
• Obtain EPA pre-notice if >10,000 lbs/year import volume
Related Products under HTS 2822.00.00.90
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.
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.
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.