Toluene Sulfonic Acid (TsOH) from China
P-toluenesulfonic acid monohydrate is a strong organic acid with a methyl-substituted aromatic sulfonate, qualifying under HTS 2904.10.32.00. Used as catalyst in esterification and resin synthesis.
Duty Rate — China → United States
43%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify monohydrate form; anhydrous may have different specifications
• Provide REACH/TSCA dossiers for industrial chemical import
• Handle as corrosive solid; ensure UN 3261 packaging compliance