Methylphosphonic Acid Aqueous Solution (50%) from Germany
A 50% aqueous solution of methylphosphonic acid qualifies under HTS 2931.44.00.00 per Chapter 29 note (d) for products of this heading dissolved in water. It is used in metal surface treatment and as a catalyst intermediate.
Duty Rate — Germany → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Confirm solution concentration stays within 'normal' dilution for transport per note (d); provide stability data
• Label clearly as corrosive to prevent delays at FDA or EPA ports