Industrial Grade Nitrogen Gas
Pure nitrogen gas (N2) compressed in high-pressure steel cylinders for industrial applications such as blanketing, purging, and inerting in manufacturing processes. It falls under HTS 2804.30.00.00 as chemically pure nitrogen, a nonmetal gas classified in Chapter 28. This excludes mixtures or compounds covered by other headings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mixed with other gases like argon or helium for specific uses
Gas mixtures containing nitrogen but not pure fall under heading 2853 for other inorganic compounds or phosphides.
If chemically doped for electronic semiconductor use in disc or wafer form
Doped nitrogen or related compounds processed into wafers shift to heading 3818, but pure gas remains in 2804.
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Import Tips & Compliance
• Verify purity certificate (typically >99.9%) to confirm classification as chemically defined nitrogen; ensure DOT-compliant cylinders with proper labeling
• Common pitfall: misclassifying as compressed air mixtures under 2853
Related Products under HTS 2804.30.00.00
High Purity Nitrogen 99.999% UHP
Ultra-high purity (UHP) nitrogen gas at 99.999% N2, supplied in specialty cylinders for laboratory and semiconductor cleanrooms. Classified under HTS 2804.30.00.00 as elemental nitrogen, meeting Chapter 28 definitions for nonmetals. Purity distinguishes it from lower-grade industrial gases.
Liquid Nitrogen Cryogenic
Liquefied nitrogen (LIN) at -196°C in Dewar flasks or bulk tanks for cryopreservation and cooling applications. HTS 2804.30.00.00 applies to nitrogen in any physical state (gas or liquid) as a nonmetal element. Chapter notes confirm elemental classification regardless of form.
Food Grade Nitrogen Gas
Nitrogen gas meeting FDA purity standards for Modified Atmosphere Packaging (MAP) in food preservation, displacing oxygen in packaging lines. Under HTS 2804.30.00.00 as pure nitrogen, a nonmetal, not excluded by food use per Chapter 28 notes.
Medical Grade Nitrogen NF
National Formulary (NF) nitrogen gas for pharmaceutical and medical applications like cryogenic therapy and blanketing. HTS 2804.30.00.00 covers it as chemically defined elemental nitrogen in Chapter 28, pure form.
Nitrogen Gas for Welding Shielding
Pure nitrogen in cylinders for laser welding and plasma cutting, providing shielding atmosphere. Classified in HTS 2804.30.00.00 as nonmetal nitrogen gas per Chapter 28 hierarchy.
Laboratory Nitrogen Zero Grade
Zero-grade nitrogen with ultra-low hydrocarbon impurities for analytical instruments like GC-MS. Falls under HTS 2804.30.00.00 as high-purity elemental nitrogen, not excluded by lab use.