# United States tariff lines under HS 2844.43

> The United States tariff splits HS 2844.43 (radioactive elements and isotopes and compounds other than those of subheading 2844 10, 2844 20 or 2844 30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds) into 4 national lines: 2844.43.00.10 (elements, isotopes and compounds with cobalt-60 radioactivity only), 2844.43.00.21 (americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169), 2844.43.00.28 (other) and 2844.43.00.50 (other). Every United States line under 2844.43 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/284443
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) / [2844.43](https://border.bot/countries/united-states/hs-codes/284443)

## Key facts

- HS subheading: [2844.43](https://border.bot/hs-codes/284443)
- Duty (MFN): Free
- National lines: 4
- 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 2844.43

The United States tariff splits HS 2844.43 (radioactive elements and isotopes and compounds other than those of subheading 2844 10, 2844 20 or 2844 30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds) into 4 national lines: 2844.43.00.10 (elements, isotopes and compounds with cobalt-60 radioactivity only), 2844.43.00.21 (americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169), 2844.43.00.28 (other) and 2844.43.00.50 (other).

Every United States line under 2844.43 is free of general (MFN) duty.

- [2844.43.00.10](https://border.bot/countries/united-states/hs-codes/2844430010) Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues, Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds, Elements, isotopes and compounds with cobalt-60 radioactivity only. Duty (MFN): free
- [2844.43.00.21](https://border.bot/countries/united-states/hs-codes/2844430021) Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues, Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds, Other elements, isotopes and compounds, Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169. Duty (MFN): free
- [2844.43.00.28](https://border.bot/countries/united-states/hs-codes/2844430028) Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues, Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds, Other elements, isotopes and compounds, Other. Duty (MFN): free
- [2844.43.00.50](https://border.bot/countries/united-states/hs-codes/2844430050) Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues, Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 2844.43 yet.

- [The Harmonized System text for 2844.43](https://border.bot/hs-codes/284443)

- Previous subheading: [2844.42](https://border.bot/countries/united-states/hs-codes/284442) Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products
- Next subheading: [2844.44](https://border.bot/countries/united-states/hs-codes/284444) Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2844.43?

The United States tariff splits HS 2844.43 (radioactive elements and isotopes and compounds other than those of subheading 2844 10, 2844 20 or 2844 30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds) into 4 national lines: 2844.43.00.10 (elements, isotopes and compounds with cobalt-60 radioactivity only), 2844.43.00.21 (americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169), 2844.43.00.28 (other) and 2844.43.00.50 (other).

### What is the duty on HS 2844.43 in the United States?

Every United States line under 2844.43 is free of general (MFN) duty.

## 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/284443.json