p-Phenylenediamine sulfate (1,4-diaminobenzene sulfate) is the sulfate salt of the primary aromatic diamine p-phenylenediamine, used as a key developer in permanent oxidative hair dye formulations producing dark brown to black shades. Its stable salt form provides improved handling safety compared to the free base. SUNCHEM supports international buyers with p-Phenylene Diamine Sulfate sourcing from qualified Chinese producers, com documentação de qualidade, coordenação de exportação, e apoio logístico.

