Fluorine Gas Generator Byproduct Flask from Mexico
Small lecture bottle of fluorine generated from electrolysis of KF-HF melt, used in university chemistry demonstrations. Falls under 2801.30.10.00 as distilled elemental fluorine gas, per Chapter 28 halogen provisions.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Lab-scale imports need university affiliation letter; DOT exemption possible for <150g quantities
• Avoid glass containers—use passivated metal only; pitfall is container incompatibility
• Declare generation method on invoice for customs verification