2836 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
Harmonized Tariff Schedule · MFN rates · Chapter 28, Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
CodeDescriptionMFN rate
2836.20 Carbonates; disodium carbonate
- 2836.20.00.00 Disodium carbonate1.2%
2836.30 Carbonates; sodium hydrogen carbonate (sodium bicarbonate)
- 2836.30.00.00 Sodium hydrogencarbonate (Sodium bicarbonate)Free
2836.40 Carbonates; potassium carbonate
- 2836.40.10.00 Dipotassium carbonate1.9%
- 2836.40.20.00 Potassium hydrogencarbonate (Potassium bicarbonate)1.3%
2836.50 Carbonates; calcium carbonate
- 2836.50.00.00 Calcium carbonateFree
2836.60 Carbonates; barium carbonate
- 2836.60.00.00 Barium carbonate2.3%
2836.91 Carbonates; lithium carbonate
- 2836.91.00.10 U.S.P. grade3.7%
- 2836.91.00.50 Other3.7%
2836.92 Carbonates; strontium carbonate
- 2836.92.00.00 Strontium carbonate4.2%
2836.99 Carbonates; n.e.c. in heading no. 2836 and other than lithium or strontium
- 2836.99.10.00 Cobalt carbonates4.2%
- 2836.99.20.00 Bismuth carbonate5.5%
- 2836.99.30.00 Commercial ammonium carbonate and other ammonium carbonates1.7%
- 2836.99.40.00 Lead carbonates0.5%
- Other
- 2836.99.50.10 Zirconium carbonates3.7%
- 2836.99.50.50 Other3.7%
MFN rates from the Harmonized Tariff Schedule as published, without preferences, quotas, trade remedies or additional measures. Inferred works those out for each product and origin. Whether a product from this heading qualifies for a lower rate depends on each agreement's product-specific rule for it, under the agreements we cover.
Every line in chapter 28