Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

HTS heading 2844: Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compound…

31 numbered lines under heading 2844, including 23 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2844
HTS codeDescriptionUnitGeneralSpecialColumn 2
2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products:
2844.10Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds:
2844.10.10.00Uranium metalkg5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2844.10.20Uranium compoundsFreeFree
2844.10.20.10Oxidekg
2844.10.20.25Hexafluoridekg
2844.10.20.55Otherkg
2844.10.50.00Otherkg5%Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG)45%
2844.20.00Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these productsFreeFree
Uranium compounds:
2844.20.00.10Oxidekg
2844.20.00.20Fluorideskg
2844.20.00.30Otherkg
2844.20.00.50Otherkg
2844.30Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products:
2844.30.10.00Thorium compoundskg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%
2844.30.20Uranium compoundsFreeFree
2844.30.20.10Oxidekg
2844.30.20.20Fluorideskg
2844.30.20.50Otherkg
2844.30.50Other5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2844.30.50.10Uranium metalkg
2844.30.50.50Otherkg
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:
2844.41.00.00Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compoundskgFreeFree
2844.42.00.00Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, einsteinium-253, einsteinium-254, gadolinium-148, polonium-208, polonium-209, polonium-210, radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compoundsGBqFreeFree
2844.43.00Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compoundsFreeFree
2844.43.00.10Elements, isotopes and compounds with cobalt-60 radioactivity onlyGBq
Other elements, isotopes and compounds:
2844.43.00.21Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169GBq
2844.43.00.28OtherGBq
2844.43.00.50Otherkg
2844.44.00.00Radioactive residueskgFreeFree
2844.50.00.00Spent (irradiated) fuel elements (cartridges) of nuclear reactorskgFreeFree

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.