Potassium Ferrocyanide from Mexico
Potassium ferrocyanide, also known as yellow prussiate of potash, is a complex cyanide used in wine production and as an anti-caking agent. It is classified in HTS 2837.20.51.00 as a complex cyanide of potassium and iron, per Chapter 28 provisions.
Duty Rate — Mexico → United States
11.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain food-grade certifications if for edible use; declare exact cyanide complex structure in entry docs
• Avoid pitfall: confusion with simple cyanides triggering poison controls