N,N'-Diphenyl-p-phenylenediamine (DPPD) from Mexico
DPPD is a substituted p-phenylenediamine derivative serving as an antiozonant in tire rubber compounds. It falls under HTS 2921.51.5000 as an 'other' aromatic polyamine derivative, being chemically defined per Chapter 29 criteria.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Industrial bulk packaging preserves chemical classification; retail shifts to 3812/3824
• Confirm no polymer pre-mixing; pure chemical only for this heading
• DOT 6.1 PG III labeling; UN 2671 for aromatic amines