Sulfuric Acid Oleum from Japan

Oleum, or fuming sulfuric acid (H2SO4 + SO3), is a highly corrosive liquid used in sulfonation processes. It falls under HTS 2811.19.61 as an other inorganic acid of nonmetals, distinct from standard sulfuric acid in 2807. This classification applies to its concentrated, oxygen-rich form per Chapter 28.

Duty Rate — Japan → United States

14.2%

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

Import Tips

Use glass-lined or PTFE-lined containers to prevent reaction during shipping

Declare exact SO3 content for correct subheading; >20% shifts classification

Comply with TSCA import certification for new chemical substances

Sulfuric Acid Oleum from Japan — Import Duty Rate | HTS 2811.19.61