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2921.43.90.40/p-Toluidine-m-sulfonic acid/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

p-Toluidine-m-sulfonic acid from Japan — Import Duty Rate | HTS 2921.43.90.40