Heading 2836: Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing…
Every line of heading 2836 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
Chapter 28: Inorganic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2836.20.00.00 | Disodium carbonate | 1.2% |
| 2836.30.00.00 | Sodium hydrogencarbonate (Sodium bicarbonate) | Free |
| 2836.40 | Potassium carbonates: | |
| 2836.40.10.00 | Dipotassium carbonate | 1.9% |
| 2836.40.20.00 | Potassium hydrogencarbonate (Potassium bicarbonate) | 1.3% |
| 2836.50.00.00 | Calcium carbonate | Free |
| 2836.60.00.00 | Barium carbonate | 2.3% |
| 2836.91.00 | Lithium carbonates | 3.7% |
| 2836.91.00.10 | U.S.P. grade | |
| 2836.91.00.50 | Other | |
| 2836.92.00.00 | Strontium carbonate | 4.2% |
| 2836.99 | Other: | |
| 2836.99.10.00 | Cobalt carbonates | 4.2% |
| 2836.99.20.00 | Bismuth carbonate | 5.5% |
| 2836.99.30.00 | Commercial ammonium carbonate and other ammonium carbonates | 1.7% |
| 2836.99.40.00 | Lead carbonates | 0.5% |
| 2836.99.50 | Other | 3.7% |
| 2836.99.50.10 | Zirconium carbonates | |
| 2836.99.50.50 | Other |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2836 has 12 of them. Schedule B lookup →
- 2836.20.0000DISODIUM CARBONATE
- 2836.30.0000SODIUM HYDROGENCARBONATE (SODIUM BICARBONATE)
- 2836.40.0000POTASSIUM CARBONATES
- 2836.50.0000CALCIUM CARBONATE
- 2836.60.0000BARIUM CARBONATE
- 2836.91.0010LITHIUM CARBONATES, U.S.P. GRADE
- 2836.91.0050LITHIUM CARBONATES, EXCEPT U.S.P. GRADE, NESOI
- 2836.92.0000STRONTIUM CARBONATE
- 2836.99.2000BISMUTH CARBONATE
- 2836.99.3000COMMERCIAL AMMONIUM CARBONATE AND OTHER AMMONIUM CARBONATES
- 2836.99.4000LEAD CARBONATE
- 2836.99.9050PEROXOCARBONATES (PERCARBONATES), EXCLUDING BISMUTH, AMMONIUM AND LEAD CARBONATES NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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