Plutonium-239 Dioxide Powder
Plutonium-239 dioxide (PuO2) is a fissile compound used in mixed oxide (MOX) nuclear fuel, classified here as a radioactive compound of an element with atomic number >84. It qualifies under note 4(c) for chemically defined compounds of transuranic elements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If uranium-233 compounds
U-233 specific compounds are enumerated in 2844.30, separating from general transuranic compounds.
If uranium ore or concentrate
Uranium ores/concentrates (yellowcake) classify in Chapter 26 as mineral products, not refined isotopes.
If radioactive residues from processing
Spent fuel residues or processing waste may fall under 2844.40 if not chemically defined compounds.
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Import Tips & Compliance
• Secure DOE/NNSA authorization certificate; implement criticality safety analysis per 10 CFR 71; use Type B(U) packaging certified for fissile material transport
Related Products under HTS 2844.43.00.28
Uranium-235 Enriched Isotope
Uranium-235 is a fissile isotope used in nuclear reactors and weapons, classified under HTS 2844.43.0028 as a radioactive isotope other than those in subheadings 2844.10, 2844.20, or 2844.30. It meets the definition of artificially modified isotopic mixtures with specific radioactivity exceeding natural levels.
Americium-241 Oxide Source Material
Americium-241 oxide (AmO2) serves as a calibration source for detectors and in neutron sources, fitting 2844.43.0028 for compounds of radioactive elements (atomic no. 95). Exceeds 74 Bq/g threshold per Chapter Note 4.
Curium-244 Isotope Alloy
Curium-244 alloyed with carrier metals for research reactor targets, classified as an alloy containing radioactive isotopes under 2844.43.0028 per note 4(d). High specific radioactivity qualifies it for this heading.
Californium-252 Neutron Source
Californium-252 metal encapsulated as portable neutron source for oil well logging and radiography, under 2844.43.0028 as a compound/isotope of element 98. Meets chemically defined criteria of Chapter Notes.
Neptunium-237 Oxide Powder
Neptunium-237 oxide used in research and as burnable poison in reactors, classified as 'other' radioactive compound (element 93) in 2844.43.0028. Excluded from specific subheadings.
Promethium-147 Ceramic Dispersion
Promethium-147 dispersed in ceramic matrix for beta batteries and thickness gauges, under 2844.43.0028 as dispersion containing radioactive isotope (atomic no. 61). Specific activity >74 Bq/g.