Ferric Ammonium Oxalate from Mexico
Ferric ammonium oxalate (NH4)3[Fe(C2O4)3] used in blueprint photography and iron analysis. HTS 2917.11.00.00 as coordination compound per chapter note (C)(3) classified with organic oxalate fragments. Green crystalline solid.
Duty Rate — Mexico → United States
13.1%
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
• Light-sensitive; ship in amber bottles with full light protection specifications
• Classify as UN3085 harmful substance; include full coordination compound analysis
• Prevent chapter 28 metal salt misclassification by emphasizing oxalate complex structure