Mercuric Oxycyanide Reagent from China
Mercuric oxycyanide (Hg(CN)2·HgO) serves as a specialized reagent in qualitative analysis and pharmaceutical intermediates. This compound is explicitly listed under HTS 2852.10.10.00 as a chemically defined mercury compound meeting Chapter 28 purity standards. Its dual oxide-cyanide structure requires precise compositional verification.
Duty Rate — China → United States
35%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Submit structural analysis (FTIR/NMR) confirming exact oxycyanide stoichiometry for customs verification
• Use triple containment packaging per DOT 49 CFR 173.164 for corrosive poison solids
• Register with EU REACH equivalent programs if transshipping through Europe due to mercury restrictions