Liquid Nitrogen Cryogenic from Mexico
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.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Comply with cryogenic shipping regs (UN1977); include MSDS and purity analysis
• Pitfall: confusing with LNG (natural gas) which is hydrocarbons under Chapter 27