Ferric Chloride Anhydrous from Mexico
Ferric chloride (FeCl3) in anhydrous form is a chemically defined inorganic iron chloride used primarily as an etching agent in printed circuit board manufacturing and water treatment. It falls under HTS 2827.39.55.00 as 'other chlorides of iron' due to its classification as a simple metal chloride in Chapter 28. This yellow-brown crystalline solid is highly corrosive and hygroscopic.
Duty Rate — Mexico → United States
13.7%
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
• Verify purity certificate to confirm it's chemically defined per Chapter 28 Note 1; ensure CORROSIVE labeling under DOT 49 CFR for transport
• Common pitfall: misclassifying hydrated forms without proper documentation