Technical Grade Arsenic Acid Crystals from Mexico
Technical grade arsenic acid (H3AsO4) crystals for industrial applications like pesticide intermediates and flame retardants. It qualifies for HTS 2811.19.10.00 as a chemically defined inorganic acid per subchapter II of Chapter 28.
Duty Rate — Mexico → United States
2.3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Declare exact concentration to avoid reclassification; obtain prior EPA approval for toxic substance import
• Pitfall: bulk packaging mistaken for 2853 if impurities exceed limits