Reagent Grade Chlorosulfuric Acid from China
High-purity chlorosulfuric acid (>99%) suitable for laboratory use in analytical chemistry and as a catalyst in esterification reactions. Classified under HTS 2806.20.00.00 as a pure, chemically defined inorganic acid per Chapter 28 notes. Typically packaged in small glass ampoules or bottles for research applications.
Duty Rate — China → United States
39.2%
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
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)
Import Tips
• Include analytical certificates confirming >99% purity to prevent classification as impure acid; comply with IATA dangerous goods regulations for air import; check REACH/CLP labeling for EU-origin goods