Red Mercuric Oxide Crystals from Japan
Red mercuric oxide (HgO) in crystalline form serves as an analytical reagent and pigment precursor in specialized applications. Classified under HTS 2852.10.10.00 as mercuric oxide, a chemically defined mercury compound per Chapter 28 notes. The red variant differs from yellow in crystal structure but shares identical chemical composition.
Duty Rate — Japan → United States
10%
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
• Label shipments with UN 1609 hazardous code and ensure proper segregation from organic materials during transport
• Include assay reports proving >99% purity to maintain classification as chemically defined compound
• Check state-specific mercury import bans; federal TSCA pre-notification is mandatory for quantities over 1 kg