Hypophosphorous Acid 50% Solution from Germany
Hypophosphorous acid (H3PO2) 50% aqueous solution serves as a reducing agent in chemical synthesis and electroless plating. It is classified in HTS 2811.19.61.90 as an other inorganic phosphorus oxyacid. Excluded from Chapter 28 note 2 only for specific carbon compounds, qualifying as chemically defined.
Duty Rate — Germany → United States
14.2%
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
• Include phosphorous content lab test results to avoid confusion with phosphorous acid (H3PO3) in same subheading
• UN 2835 hazardous; require spill containment plans in shipping manifests
• Avoid pitfall of classifying as 'phosphite' salts, which go to 2835; confirm free acid form