Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium
HTS heading 2815 · chapter 28 · 1 tariff lines · 0 subheadings
Rates below are the general column — the rate for goods from countries with normal trade relations. Compare every line in the heading at once, then open a line for the duty calculator.
Tariff lines in heading 2815
| HTS code | Description | General | Special | Col. 2 |
|---|---|---|---|---|
| 2815.20.00 | Potassium hydroxide (Caustic potash) | Free | — | 2.2¢/kg |
Pricing the duty
Open the tariff line that matches your goods — each line page has a calculator that applies the exact rate, including specific duties charged per kilogram.
Open the duty calculatorAbout heading 2815
Heading 2815 covers sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium. It splits into 0 six-digit subheadings and 1 US tariff lines, 1 of which are duty-free under the general rate.
Headings are the four-digit level of the Harmonized System — the layer that is identical across all 160-plus countries that use it. The six-digit subheading is also international; the last two digits of each code here are US-specific and do not carry across to another country's tariff.