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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