Benzenesulfonyl Hydrazide from Germany

Benzenesulfonyl hydrazide is a sulfonamide derivative explicitly named in HTS 2935.90.10.00, consisting of a benzene ring linked to a sulfonyl hydrazide group. Classified here as a specific organic compound of Chapter 29 rather than general organo-sulfur compounds. Widely used as a foaming agent in plastics and rubber production.

Duty Rate — Germany → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Include end-use statements distinguishing industrial chemical applications from pharmaceutical intermediates

Verify CAS number (80-17-1) matches import documentation to confirm tariff-specific classification

Check for anti-dumping duties; declare exact purity levels to avoid reclassification as mixtures