# United States tariff lines under HS 2842.90

> The United States tariff splits HS 2842.90 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides) into 3 national lines: 2842.90.10.00 (fulminates, cyanates and thiocyanates), 2842.90.90.10 (selenides and tellurides) and 2842.90.90.50 (other). The general (MFN) duty differs by line: 3.1% on 2842.90.10.00, 3.3% on 2842.90.90.10 and 3.3% on 2842.90.90.50.

Source: https://border.bot/countries/united-states/hs-codes/284290
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) / [2842.90](https://border.bot/countries/united-states/hs-codes/284290)

## Key facts

- HS subheading: [2842.90](https://border.bot/hs-codes/284290)
- 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 2842.90

The United States tariff splits HS 2842.90 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides) into 3 national lines: 2842.90.10.00 (fulminates, cyanates and thiocyanates), 2842.90.90.10 (selenides and tellurides) and 2842.90.90.50 (other).

The general (MFN) duty differs by line: 3.1% on 2842.90.10.00, 3.3% on 2842.90.90.10 and 3.3% on 2842.90.90.50.

- [2842.90.10.00](https://border.bot/countries/united-states/hs-codes/2842901000) Other, Fulminates, cyanates and thiocyanates. Duty (MFN): 3.1%
- [2842.90.90.10](https://border.bot/countries/united-states/hs-codes/2842909010) Other, Other, Selenides and tellurides. Duty (MFN): 3.3%
- [2842.90.90.50](https://border.bot/countries/united-states/hs-codes/2842909050) Other, Other, Other. Duty (MFN): 3.3%

## In other countries

No other national tariff on border.bot has live lines under 2842.90 yet.

- [The Harmonized System text for 2842.90](https://border.bot/hs-codes/284290)

- Previous 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
- Next subheading: [2843.10](https://border.bot/countries/united-states/hs-codes/284310) Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2842.90?

The United States tariff splits HS 2842.90 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides) into 3 national lines: 2842.90.10.00 (fulminates, cyanates and thiocyanates), 2842.90.90.10 (selenides and tellurides) and 2842.90.90.50 (other).

### What is the duty on HS 2842.90 in the United States?

The general (MFN) duty differs by line: 3.1% on 2842.90.10.00, 3.3% on 2842.90.90.10 and 3.3% on 2842.90.90.50.

## 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/284290.json