2921.59.80/N,N'-Diphenyl-p-phenylenediamine/Mexico

N,N'-Diphenyl-p-phenylenediamine from Mexico

N,N'-Diphenyl-p-phenylenediamine (DPPD) is a substituted aromatic polyamine used as an antioxidant in rubber. Classified in HTS 2921.59.80 as a derivative where phenyl substitutions maintain polyamine character under Chapter 29 amine-function rules.

Duty Rate — Mexico → United States

6.5%

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

Calculate with your customs value Verify classification with AI

Import Tips

• Molecular weight and substitution pattern confirmation via MS/NMR

• Rubber accelerator end-use docs; avoid Chapter 38.12 classification

• Melting point specs (144-148°C) verify identity