# United States tariff lines under HS 2841.90

> The United States tariff splits HS 2841.90 (salts of oxometallic or peroxometallic acids) into 6 national lines: 2841.90.10.00 (vanadates), 2841.90.20.00 (ammonium perrhenate), 2841.90.30.00 (potassium stannate), 2841.90.40.00 (aluminates) and 2 others. The general (MFN) duty differs by line: 5.5% on 2841.90.10.00, 3.1% on 2841.90.20.00, 3.1% on 2841.90.30.00, 3.1% on 2841.90.40.00, 3.7% on 2841.90.45.00 and 3.7% on 2841.90.50.00.

Source: https://border.bot/countries/united-states/hs-codes/284190
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) / [2841.90](https://border.bot/countries/united-states/hs-codes/284190)

## Key facts

- HS subheading: [2841.90](https://border.bot/hs-codes/284190)
- 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 2841.90

The United States tariff splits HS 2841.90 (salts of oxometallic or peroxometallic acids) into 6 national lines: 2841.90.10.00 (vanadates), 2841.90.20.00 (ammonium perrhenate), 2841.90.30.00 (potassium stannate), 2841.90.40.00 (aluminates) and 2 others.

The general (MFN) duty differs by line: 5.5% on 2841.90.10.00, 3.1% on 2841.90.20.00, 3.1% on 2841.90.30.00, 3.1% on 2841.90.40.00, 3.7% on 2841.90.45.00 and 3.7% on 2841.90.50.00.

- [2841.90.10.00](https://border.bot/countries/united-states/hs-codes/2841901000) Other, Vanadates. Duty (MFN): 5.5%
- [2841.90.20.00](https://border.bot/countries/united-states/hs-codes/2841902000) Other, Ammonium perrhenate. Duty (MFN): 3.1%
- [2841.90.30.00](https://border.bot/countries/united-states/hs-codes/2841903000) Other, Potassium stannate. Duty (MFN): 3.1%
- [2841.90.40.00](https://border.bot/countries/united-states/hs-codes/2841904000) Other, Aluminates. Duty (MFN): 3.1%
- [2841.90.45.00](https://border.bot/countries/united-states/hs-codes/2841904500) Other, Chromates of zinc or of lead. Duty (MFN): 3.7%
- [2841.90.50.00](https://border.bot/countries/united-states/hs-codes/2841905000) Other, Other. Duty (MFN): 3.7%

## In other countries

No other national tariff on border.bot has live lines under 2841.90 yet.

- [The Harmonized System text for 2841.90](https://border.bot/hs-codes/284190)

- Previous subheading: [2841.80](https://border.bot/countries/united-states/hs-codes/284180) Salts of oxometallic or peroxometallic acids
- Next subheading: [2842.10](https://border.bot/countries/united-states/hs-codes/284210) Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2841.90?

The United States tariff splits HS 2841.90 (salts of oxometallic or peroxometallic acids) into 6 national lines: 2841.90.10.00 (vanadates), 2841.90.20.00 (ammonium perrhenate), 2841.90.30.00 (potassium stannate), 2841.90.40.00 (aluminates) and 2 others.

### What is the duty on HS 2841.90 in the United States?

The general (MFN) duty differs by line: 5.5% on 2841.90.10.00, 3.1% on 2841.90.20.00, 3.1% on 2841.90.30.00, 3.1% on 2841.90.40.00, 3.7% on 2841.90.45.00 and 3.7% on 2841.90.50.00.

## 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/284190.json