p-Phenylenediamine PDA CAS 106-50-3 | Chemical Intermediate Supplier and Factory in China

Basic Information and Chemical Properties

p-Phenylenediamine (CAS 106-50-3), commonly referred to as PDA or 1,4-Phenylenediamine, is a widely utilized aromatic diamine chemical intermediate in China. It plays a crucial role in the production of dye intermediates, research on polymer materials, and various analytical applications. With a molecular formula of C6H8N2 and a molecular weight of approximately 108.14 g/mol, this product is typically supplied as a white to light brown, grey, or purple crystalline solid. Please note that exposure to air or light may cause it to darken over time due to oxidation. As an aromatic amine, PDA exhibits excellent reactivity, and it is essential to validate final specifications through COA, assay, appearance, moisture, and impurity testing. For optimal preservation, store this product in a sealed container, in a cool, dry place, shielded from light, and away from strong oxidizing agents. As a leading supplier and manufacturer of p-Phenylenediamine in China, we ensure high-quality products to meet your industrial formulation needs.