Diphenylamine 2,2'-Dicarboxylic Acid from Germany
Diphenylamine 2,2'-dicarboxylic acid features carboxylic acid groups ortho to the nitrogen linkage, classified as an 'other' derivative under HTS 2921.44.70.00. Used in dye intermediates and pharmaceutical synthesis.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include batch certificates showing absence of metal impurities per chapter coordination compound notes
• Specify pKa values for proper hazard classification during import
• Document as intermediate to avoid pharmaceutical preparation classification (Chapter 30)