Californium-253 Metal Target
>- Californium-253 metal target is a high-specific-activity neutron source material shaped for research reactors and calibration standards. As a pure metallic form of the listed isotope californium-253, it falls under tariff item 2844.42.00, which covers the specified elements and their compounds.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the target contains natural californium rather than the specific isotope
Natural californium and its compounds are classified separately from the listed isotopes.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• >- Secure a CNSC import permit for californium-253, as it is a controlled radioactive material
• Clearly state the isotope and physical form (metal target) on the customs declaration to support classification under 2844.42.00.00
• Comply with the Nuclear Safety and Control Act for packaging and transport documentation
Related Products under Tariff item 2844.42.00
Actinium-225 Chloride
>- Actinium-225 chloride is a chemically defined compound of the radioactive isotope actinium-225, primarily used in targeted alpha therapy for cancer treatment. It falls under tariff item 2844.42.00 as a compound of a specifically listed isotope, and is classifiable in Chapter 28 as a separate chemically defined compound.
Actinium-227 Alloy
>- Actinium-227 alloy with lanthanide stabilizers is used to maintain prototype generator systems for medical isotope production. As an alloy containing the listed isotope actinium-227, it is explicitly covered by tariff item 2844.42.00, which includes alloys containing these elements or compounds.
Curium-241 Dispersion Cermet
>- Curium-241 dispersion cermet in a refractory metal matrix is used for alpha spectroscopy standards and actinide research. Tariff item 2844.42.00 explicitly names curium-241 and includes dispersions (including cermets) containing these elements, making this product classifiable under this item.
Curium-242 Ceramic Pellet
>- Curium-242 ceramic pellets serve as radioisotope thermoelectric generator (RTG) fuel elements for deep space missions. As a ceramic product of the listed isotope curium-242, this item is explicitly included in tariff item 2844.42.00, which covers ceramic products containing these elements.
Curium-244 Oxide Powder
>- Curium-244 oxide powder is a powdered ceramic compound of the transuranic radioactive isotope curium-244, used in research for space power systems and nuclear batteries. Tariff item 2844.42.00 explicitly includes curium-244 and its compounds, making this product classifiable under this item.
Einsteinium-254 Alloy Dispersion
>- Einsteinium-254 alloy dispersion in a platinum matrix serves ultra-trace analysis and nuclear forensics applications. Tariff item 2844.42.00 explicitly includes einsteinium-254 alloys and dispersions containing listed isotopes, making this product classifiable under this item.