# United States tariff lines under HS 2825.90

> The United States tariff splits HS 2825.90 (hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides) into 6 national lines: 2825.90.10.00 (beryllium oxide and hydroxide), 2825.90.15.00 (niobium oxide), 2825.90.20.00 (tin oxides), 2825.90.30.00 (tungsten oxides) and 2 others. The general (MFN) duty differs by line: 3.7% on 2825.90.10.00, 3.7% on 2825.90.15.00, 4.2% on 2825.90.20.00, 5.5% on 2825.90.30.00, free on 2825.90.75.00 and 3.7% on 2825.90.90.00.

Source: https://border.bot/countries/united-states/hs-codes/282590
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) / [2825.90](https://border.bot/countries/united-states/hs-codes/282590)

## Key facts

- HS subheading: [2825.90](https://border.bot/hs-codes/282590)
- National lines: 6
- 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 2825.90

The United States tariff splits HS 2825.90 (hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides) into 6 national lines: 2825.90.10.00 (beryllium oxide and hydroxide), 2825.90.15.00 (niobium oxide), 2825.90.20.00 (tin oxides), 2825.90.30.00 (tungsten oxides) and 2 others.

The general (MFN) duty differs by line: 3.7% on 2825.90.10.00, 3.7% on 2825.90.15.00, 4.2% on 2825.90.20.00, 5.5% on 2825.90.30.00, free on 2825.90.75.00 and 3.7% on 2825.90.90.00.

- [2825.90.10.00](https://border.bot/countries/united-states/hs-codes/2825901000) Other, Beryllium oxide and hydroxide. Duty (MFN): 3.7%
- [2825.90.15.00](https://border.bot/countries/united-states/hs-codes/2825901500) Other, Niobium oxide. Duty (MFN): 3.7%
- [2825.90.20.00](https://border.bot/countries/united-states/hs-codes/2825902000) Other, Tin oxides. Duty (MFN): 4.2%
- [2825.90.30.00](https://border.bot/countries/united-states/hs-codes/2825903000) Other, Tungsten oxides. Duty (MFN): 5.5%
- [2825.90.75.00](https://border.bot/countries/united-states/hs-codes/2825907500) Other, Cadmium oxide. Duty (MFN): free
- [2825.90.90.00](https://border.bot/countries/united-states/hs-codes/2825909000) Other, Other. Duty (MFN): 3.7%

## In other countries

No other national tariff on border.bot has live lines under 2825.90 yet.

- [The Harmonized System text for 2825.90](https://border.bot/hs-codes/282590)

- Previous subheading: [2825.80](https://border.bot/countries/united-states/hs-codes/282580) Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
- Next subheading: [2826.12](https://border.bot/countries/united-states/hs-codes/282612) Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2825.90?

The United States tariff splits HS 2825.90 (hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides) into 6 national lines: 2825.90.10.00 (beryllium oxide and hydroxide), 2825.90.15.00 (niobium oxide), 2825.90.20.00 (tin oxides), 2825.90.30.00 (tungsten oxides) and 2 others.

### What is the duty on HS 2825.90 in the United States?

The general (MFN) duty differs by line: 3.7% on 2825.90.10.00, 3.7% on 2825.90.15.00, 4.2% on 2825.90.20.00, 5.5% on 2825.90.30.00, free on 2825.90.75.00 and 3.7% on 2825.90.90.00.

## 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/282590.json