# United States tariff lines under HS 2825.50

> The United States tariff splits HS 2825.50 (copper oxides and hydroxides) into 3 national lines: 2825.50.10.00 (cupric oxide), 2825.50.20.00 (cuprous oxide) and 2825.50.30.00 (copper hydroxides). The general (MFN) duty differs by line: 4.3% on 2825.50.10.00, 5% on 2825.50.20.00 and 3.9% on 2825.50.30.00.

Source: https://border.bot/countries/united-states/hs-codes/282550
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 28](https://border.bot/countries/united-states/hs-codes/28) / [2825.50](https://border.bot/countries/united-states/hs-codes/282550)

## Key facts

- HS subheading: [2825.50](https://border.bot/hs-codes/282550)
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

## United States lines under 2825.50

The United States tariff splits HS 2825.50 (copper oxides and hydroxides) into 3 national lines: 2825.50.10.00 (cupric oxide), 2825.50.20.00 (cuprous oxide) and 2825.50.30.00 (copper hydroxides).

The general (MFN) duty differs by line: 4.3% on 2825.50.10.00, 5% on 2825.50.20.00 and 3.9% on 2825.50.30.00.

- [2825.50.10.00](https://border.bot/countries/united-states/hs-codes/2825501000) Copper oxides and hydroxides, Cupric oxide. Duty (MFN): 4.3%
- [2825.50.20.00](https://border.bot/countries/united-states/hs-codes/2825502000) Copper oxides and hydroxides, Cuprous oxide. Duty (MFN): 5%
- [2825.50.30.00](https://border.bot/countries/united-states/hs-codes/2825503000) Copper oxides and hydroxides, Copper hydroxides. Duty (MFN): 3.9%

## In other countries

No other national tariff on border.bot has live lines under 2825.50 yet.

- [The Harmonized System text for 2825.50](https://border.bot/hs-codes/282550)

- Previous subheading: [2825.40](https://border.bot/countries/united-states/hs-codes/282540) Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
- Next subheading: [2825.60](https://border.bot/countries/united-states/hs-codes/282560) Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2825.50?

The United States tariff splits HS 2825.50 (copper oxides and hydroxides) into 3 national lines: 2825.50.10.00 (cupric oxide), 2825.50.20.00 (cuprous oxide) and 2825.50.30.00 (copper hydroxides).

### What is the duty on HS 2825.50 in the United States?

The general (MFN) duty differs by line: 4.3% on 2825.50.10.00, 5% on 2825.50.20.00 and 3.9% on 2825.50.30.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/282550.json