Chlorosulfuric Acid 98% Technical Grade from China

Chlorosulfuric acid (HSO3Cl) at 98% purity, a fuming, colorless to yellowish liquid used primarily as a sulfonating agent in organic synthesis for producing detergents and pharmaceuticals. It falls under HTS 2806.20.00.00 as a chemically defined inorganic acid distinct from hydrochloric acid. Supplied in bulk for industrial chemical processing.

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

Classify as UN 1834 hazardous material requiring proper DOT/UN packaging and labeling; obtain EPA TSCA premanufacture notice if new use; verify purity certificates to avoid reclassification as mixtures under 3824