Benzenesulfonyl Hydrazide from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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