Chromium Trioxide 99.9% Pure Crystals from Mexico
High-purity chromium trioxide crystals (99.9% CrO3) for laboratory and etching applications in electronics. It is specifically chromium trioxide under HTS 2819.10.00.00, as a chemically defined inorganic compound per Chapter 28 notes.
Duty Rate — Mexico → United States
13.7%
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
• Include SDS and purity analysis in documentation; ensure UN 1463 hazardous goods declaration; avoid bulk packaging over 25kg without proper stabilization