Thiosalicylic Acid from Japan
Thiosalicylic acid (2-mercaptobenzoic acid) serves in pharmaceutical synthesis and rubber vulcanization. Classified in HTS 2930.90.49 as other organo-sulfur acids per direct S-C linkage requirement.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide vulcanization accelerator declaration if rubber industry end-use
• Hazard class 8 (corrosive)—ensure proper IBC/UN packaging certification
• Avoid bulk shipments without anti-dusting stabilizer documentation