Thiosalicylic Acid from Mexico
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 — Mexico → United States
4.2%
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
• 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