Red Fuming Nitric Acid (RFNA) from Mexico
Red fuming nitric acid with 1-2% dissolved NO2, giving its characteristic red color, used in aerospace bipropellant fuels. Falls squarely under HTS 2808.00.0010 as chemically defined nitric acid per Chapter 28. High assay purity (>95% HNO3) confirms inorganic acid classification.
Duty Rate — Mexico → United States
10%
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
• Secure ITAR/EAR export licenses from origin country due to missile tech applications; use Type 317L stainless inhibitors if stored long-term; test for peroxides before import as they indicate decomposition