p-Toluidine-m-sulfonic acid from Japan
p-Toluidine-m-sulfonic acid (CAS No. 88-44-8) is a chemically defined aromatic monoamine derivative with both amino and sulfonic acid functional groups, classified under HTS 2921.43.9040 as a toluidine derivative salt. It serves as a key intermediate in dye synthesis and pharmaceutical production.
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
• Verify CAS No. 88-44-8 on all documentation and labels to match exact HTS 2921.43.90.40 specification
• Provide purity certificates (>98%) as impurities may affect classification under Chapter 29 note (a)
• Ensure SDS includes handling for corrosive sulfonic acid properties to comply with hazmat shipping