N,N'-Diphenyl-p-phenylenediamine (DPPD) from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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