Cobalt(II) Carbonate Powder
Cobalt(II) carbonate (CoCO3) is a pinkish-white inorganic salt used primarily as a precursor in the production of cobalt oxide pigments and catalysts. It falls under HTS 2836.99.10.00 as a chemically defined cobalt carbonate, distinct from stabilized or complex forms excluded by Chapter 28 notes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If processed into cobalt oxide
Cobalt oxides are classified under heading 2822 for metal oxides, not carbonates.
If double or complex salt with other metals
Chapter note specifies complex salts of inorganic bases go to 2842, not simple carbonates.
If impure mixture or additive blend
Non-chemically defined mixtures fall under 3824 as chemical preparations.
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Import Tips & Compliance
• Verify purity and chemical definition per Chapter 28 Note 1 to ensure classification as cobalt carbonate, not organo-inorganic compounds
• Provide Certificate of Analysis (CoA) confirming CoCO3 composition; common pitfall is contamination shifting to 2842 for complex salts
• Check REACH/SVHC restrictions on cobalt compounds; label toxicity warnings for industrial handling
Related Products under HTS 2836.99.10.00
Basic Cobalt Carbonate Crystals
Basic cobalt carbonate (2CoCO3·3Co(OH)2) appears as rose-red crystals used in ceramics and as a cobalt source in animal feed supplements. Classified under HTS 2836.99.10.00 as it meets the definition of cobalt carbonates per subheading note, excluding peroxocarbonates.
Cobaltous Carbonate Technical Grade
Technical-grade cobaltous carbonate (CoCO3, 45-50% Co) is supplied as fine powder for catalyst manufacturing and glass coloring. It qualifies for HTS 2836.99.10.00 as a pure cobalt carbonate compound under Chapter 28 definitions.
Hydrated Cobalt Carbonate Precipitate
Hydrated cobalt carbonate (CoCO3·xH2O) precipitate from lab synthesis, used in analytical chemistry and small-scale pigment production. Falls under HTS 2836.99.10.00 as chemically defined cobalt carbonate, hydrated forms included.
Pharmaceutical Cobalt Carbonate USP
USP-grade cobalt carbonate meeting pharmacopeia standards for use in trace mineral supplements and vitamin formulations. Qualifies under HTS 2836.99.10.00 as pure cobalt carbonate, not medicinal preparations.
Cobalt Carbonate for Porcelain Glaze
High-purity cobalt carbonate specifically graded for blue porcelain and ceramic glazes, providing intense color development at high firing temperatures. Classified in HTS 2836.99.10.00 as it is a simple inorganic cobalt carbonate salt.
Cobalt Carbonate Catalyst Precursor
Cobalt carbonate used as precursor for Fischer-Tropsch synthesis catalysts, decomposing to active cobalt oxide phases. HTS 2836.99.10.00 applies to this chemically defined carbonate before thermal processing.