</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

N,N'-Diphenyl-p-phenylenediamine (DPPD) from Japan

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 — 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%

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