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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ammonium carbonate variant
Commercial ammonium carbonates go to 2836.50, separate from metal carbonates.
If for agricultural animal feed use
Fertilizer-grade cobalt salts may shift to Chapter 31 per exclusion notes.
If used as inorganic pigment colorant
Luminophore pigments excluded from Chapter 28 per note 2(e).
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Import Tips & Compliance
• Confirm basic salt formula via spectroscopy; mislabeling as simple CoCO3 can cause reclassification
• Include MSDS showing <0.1% heavy metals; cobalt compounds trigger environmental import scrutiny
• For feed-grade, obtain FDA prior notice; bulk shipments need proper venting to prevent moisture caking
Related Products under HTS 2836.99.10.00
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.
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.