Methanal (Formaldehyde) 37% Aqueous Solution from Mexico
A 37% aqueous solution of methanal, commonly known as formalin, used as a disinfectant, preservative, and in chemical synthesis. Classified under HTS 2912.11.00.00 as it is a chemically defined acyclic aldehyde without other oxygen functions, meeting Chapter 29 note (a) and (d) for products dissolved in water.
Duty Rate — Mexico → United States
12.8%
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
• Provide Certificate of Analysis confirming formaldehyde content and purity to verify classification under 2912.11.00.00
• Include stabilizer documentation if present; stabilizers are allowed per Chapter 29 note (f) but must not change essential character
• Ensure proper UN-approved packaging for hazardous goods; formaldehyde solutions are regulated under DOT hazmat rules