Tobias Acid 50% Aqueous Solution from Mexico
50% aqueous solution of Tobias acid for safe transport, classified under HTS 2921.45.90.10 per Chapter 29 note 1(d). Solution concentration prevents crystallization during shipping. Used directly in coupling baths.
Duty Rate — Mexico → United States
16.5%
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
• Verify solution pH 1-2 and clarity specs; precipitation voids classification
• DOT/ADR hazardous material declaration required (corrosive liquid)
• IBC totes with HDPE liners; avoid carbon steel containers