Tobias Acid 50% Aqueous Solution from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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