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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China0.1%+25.0%25.1%
🇲🇽Mexico0.1%—0.1%
🇨🇦Canada0.1%—0.1%
🇩🇪Germany0.1%—0.1%
🇯🇵Japan0.1%—0.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2836.50.00.00Higher: 37.5% vs 25.1%

If pure cobalt carbonate

Carbonates of inorganic bases specifically in 2836 per Chapter note.

3824.99.39Higher: 37.5% vs 25.1%

If hydrated or with additives

Complex preparations not chemically defined go to other chemical products.

2842.90Lower: 15.8% vs 25.1%

If complex salt form

Double or complex salts of cobalt classified in 2842.

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

• Cross-check against 2836.50 for pure carbonates; use chemical analysis

• Label as 'not for human consumption' to avoid food additive scrutiny

• Declare CAS number (10048-94-3) accurately for customs matching