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N-Ethyl-o-Toluenesulfonamide Pure from China

N-Ethyl-o-toluenesulfonamide is a pure isomer sulfonamide intermediate used in the synthesis of optical brighteners, dyes, and pharmaceutical intermediates. Specifically named in HTS 2935.90.13.00 as a distinct sulfonamide compound. Supplied in high purity (>99%) for precision chemical manufacturing.

Duty Rate — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

HPLC chromatogram required to verify isomeric purity and absence of para-isomer contamination

DOT shipping papers must specify UN number 3082 for Environmentally Hazardous Substance, Liquid, n.o.s