Potassium Ferricyanide Powder from Mexico
Potassium ferricyanide [K3Fe(CN)6] is a red-colored complex cyanide salt used in blueprint photography, analytical chemistry, and as a mild oxidizing agent. Classified under HTS 2837.19.01.25 as a complex cyanide of inorganic bases (potassium and iron), it is 'other' excluding potassium ferrocyanide. Its structure fits Chapter 28 definitions for chemically pure inorganic coordination compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide SDS with CN content analysis; less toxic than simple cyanides but still requires hazmat declaration; check for Prussian blue impurities that could reclassify