Barium Sulfite Precipitated from Mexico

Precipitated barium sulfite (BaSO3) used in X-ray contrast media and pigments. HTS 2832.20.00.00 applies to this chemically defined barium salt sulfite.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Toxicity profile requires EPA TSCA registration for new importers

Precipitated vs crystalline form affects particle size declarations

Medical device classification if pre-mixed; pure chemical stays in 2832