Cryogenic Nitrogen for MRI Cooling
Liquid nitrogen used for cooling superconducting magnets in MRI machines. It is elemental nitrogen in liquid form, classifiable under Chapter 28 as a non-metal, and not excluded by the chapter notes.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the nitrogen is imported as part of a complete MRI system
If sold with the machine, it may be classified as a part of the medical device.
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
• Verify that the nitrogen is for cooling purposes only and not part of a medical device, which could affect classification
• Keep records of the end-use to support the tariff classification if requested by the CBSA
Related Products under Tariff item 2804.30.00
Bulk Liquid Nitrogen ISO Tank
Bulk liquid nitrogen transported in ISO cryogenic tanks for industrial supply chains. It is elemental nitrogen in liquid form, a non-metal of Chapter 28, and is not excluded by any Chapter 28 note.
Food Grade Nitrogen Gas
Nitrogen gas meeting food-grade purity standards for Modified Atmosphere Packaging (MAP). It is elemental nitrogen, a non-metal, and food use does not exclude it from Chapter 28.
High Purity Nitrogen 99.999% UHP
Ultra-high purity nitrogen gas at 99.999% N2, supplied in specialty cylinders for laboratory and semiconductor cleanrooms. It is a separate chemical element, classifiable under Chapter 28, and not excluded by the notes.
Industrial Grade Nitrogen Gas
Pure nitrogen gas compressed in high-pressure steel cylinders for industrial applications such as blanketing and purging. It is chemically pure nitrogen, a non-metal, and falls under Chapter 28.
Laboratory Nitrogen Zero Grade
Zero-grade nitrogen with ultra-low hydrocarbon impurities for analytical instruments like GC-MS. It is high-purity elemental nitrogen, classifiable under Chapter 28, and lab use does not exclude it.
Liquid Nitrogen Cryogenic
Liquefied nitrogen (LIN) at -196°C in Dewar flasks or bulk tanks for cryopreservation and cooling. It is elemental nitrogen in liquid form, a non-metal, and not excluded by Chapter 28.