p-Toluidine-m-sulfonic Acid Aqueous Solution (50% w/v) from Mexico
50% aqueous solution of p-Toluidine-m-sulfonic acid, classified under HTS 2921.43.9040 per Chapter 29 note (d) for chemically defined compounds dissolved in water. Used for safe transport in dye manufacturing.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document concentration and solvent (water only) to qualify under note (d); organic solvents trigger note (e)
• Use UN-approved packaging for corrosive liquid with proper hazmat declaration
• Verify solution stability data to prove 'normal method for transport' per Chapter 29 notes