# United States tariff line 2844.43.00.50: Other > In the United States tariff, line 2844.43.00.50 covers 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. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2844.43 in heading 28.44 (chapter 28). Source: https://border.bot/countries/united-states/hs-codes/2844430050 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) / [2844.43.00.50](https://border.bot/countries/united-states/hs-codes/2844430050) ## Key facts - Tariff line: 2844.43.00.50 - Covers: 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 - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [2844.43](https://border.bot/hs-codes/284443) ## What this line covers In the United States tariff, line 2844.43.00.50 covers 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. Its legal text is “Other”, read under “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” and “Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds”. ## How it is structured It falls under HS subheading 2844.43 in heading 28.44 (chapter 28). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes - Heading 28.44: Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products - Subheading 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 - Within the subheading: Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds - Line 2844.43.00.50: Other ## Duty Goods under this line enter free of general (MFN) duty. The rate is published on 2844.43.00. ## 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) ## Other lines under 2844.43 - [2844.43.00.10](https://border.bot/countries/united-states/hs-codes/2844430010) Elements, isotopes and compounds with cobalt-60 radioactivity only - [2844.43.00.21](https://border.bot/countries/united-states/hs-codes/2844430021) Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169 - [2844.43.00.28](https://border.bot/countries/united-states/hs-codes/2844430028) Other - Previous line: [2844.43.00.28](https://border.bot/countries/united-states/hs-codes/2844430028) Other - Next line: [2844.44.00.00](https://border.bot/countries/united-states/hs-codes/2844440000) Radioactive residues ## Frequently asked questions ### What does tariff line 2844.43.00.50 cover in the United States tariff? In the United States tariff, line 2844.43.00.50 covers 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. ### What is the general (MFN) duty on 2844.43.00.50 in the United States? Goods under this line enter free of general (MFN) duty. The rate is published on 2844.43.00. ## 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/2844430050.json