Heading 2808: Nitric acid; sulfonitric acids
Every line of heading 2808 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.
Nitric acid; sulfonitric acids
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 |
|---|---|---|
| 2808.00.00 | Nitric acid; sulfonitric acids | Free |
| 2808.00.00.10 | Nitric acid | |
| 2808.00.00.20 | Sulfonitric acids |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2808 has 1 of them. Schedule B lookup →
- 2808.00.0000NITRIC ACID AND SULFONITRIC ACIDS
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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