Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2921 — Aminefunction compounds.
National subdivision 2921.5 — Aromatic polyamines and their derivatives; salts thereof:
Subheading 2921.51 — o, m, pPhenylenediamine, diaminotoluenes, and their derivatives; salts thereof
HS code
2921.51.00 O-, m-, p-phenylenediamine, diaminotoluenes, etc; salts thereof
Last Verified Date - 1 October 2026
Common commodities
o-Phenylenediamine for synthetic rubber productionpara-Phenylenediamine for textile dyeingOrtho-Phenylenediamine monohydrochloride powderDinitoluidine (TDA) in liquid formMeta-Phenylenediamine sulfate crystalspara-Aminotoluene for pharmaceutical useN,N'-(1,3-Benzenedimino)propane hydrochloride salto-Phenylenediamine dichloride anhydrousToluidine blue O (TDA derivative) for histology staining4,4'-Methylenedianiline (MDI) for polyurethane production