Tritium Gas Vial
A sealed glass vial containing pure tritium gas (hydrogen-3) used in scientific research and calibration of radiation detectors. The vial contains the elemental isotope of hydrogen in gaseous form. It is classified under tariff item 2844.41.00 as a radioactive isotope of hydrogen.
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 vial contains a radioactive isotope other than tritium
Other radioactive isotopes and their compounds are classified under this sibling item.
If the gas is non-radioactive hydrogen
Hydrogen is classified under this heading when not radioactive.
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
• Obtain a radioactive material import permit from the Canadian Nuclear Safety Commission
• Ensure the vial is shipped in approved packaging with proper radiation labels
• Provide a certificate of analysis showing the tritium purity and activity
Related Products under Tariff item 2844.41.00
GTLS Tritium Keychain Light
A self-luminous keychain light containing a glass tube filled with tritium gas and coated with a phosphor. The tritium gas excites the phosphor to produce a continuous glow without any external power source. This product falls under tariff item 2844.41.00 as a mixture containing tritium, with the radioactive component exceeding the specific activity threshold.
Self-Luminous Tritium Exit Sign
An emergency exit sign that uses self-luminous tritium tubes to provide illumination for up to 20 years without electricity. The sign consists of sealed glass tubes containing tritium gas and a phosphor coating, mounted in a metal or plastic frame. It is classified under tariff item 2844.41.00 as a mixture containing tritium, meeting the specific radioactivity threshold.
Tritiated Thymidine (3H-TdR)
Tritiated thymidine, a radioactively labeled nucleoside used in DNA synthesis research. This organic compound contains tritium atoms and is supplied as a solution for laboratory use. It falls under tariff item 2844.41.00 as a compound of tritium, in accordance with Chapter 28 Note 1 extensions for radioactive isotopes.
Tritiated Water (HTO) Solution
An aqueous solution of tritiated water (HTO) used as a tracer in biological and hydrological studies. The solution contains tritium as a radioactive isotope of hydrogen and meets the chemical definition requirements of Chapter 28. It is classified under tariff item 2844.41.00 as a compound of tritium.
Tritium Alloy Wire
A titanium-tritide alloy wire used in neutron generators for scientific and industrial applications. The wire contains tritium chemically bound to titanium, forming a stable metal hydride. It is classified under tariff item 2844.41.00 as an alloy containing tritium compounds, with radioactivity exceeding the Chapter threshold.
Tritium Calibration Source
A sealed source containing adsorbed tritium used for calibrating beta radiation monitors. The source is manufactured with a known activity and is NIST-traceable for accuracy. It falls under tariff item 2844.41.00 as a compound of tritium, with the radioactive content exceeding the specific activity threshold.