Barium Phosphide from Mexico
Barium phosphide finds application in specialty alloys and as a reducing agent in extractive metallurgy. This metal phosphide qualifies for HTS 2853.90.50.00 as chemically defined, excluding ferrophosphorous and copper-specific notes. Highly reactive with water.
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
• UN1564 hazardous declaration required; inert atmosphere packaging mandatory
• Metallurgy end-users need alloy composition forecasts for correct declaration
• Avoid moisture ingress—hydrolyzed barium salts shift to 2827.39