Description_x000D_ Application_x000D_ p-Phenylenediamine has been used:_x000D_ • to evaluate its sensitization potential in vitro in langerhans-like dendritic cells and autologous T cells_x000D_ • to treat the dorsal sides of the ears of mice, to study its systemic immunological effects_x000D_ • in glycerol to coverslip coronal sections in the attempt to count Aβ plaques_x000D_ Packaging_x000D_ 1 kg in glass bottle_x000D_ 50, 100, 250 g in glass bottle_x000D_ Biochem/physiol Actions_x000D_ p-Phenylenediamine known to cause allergic reactions with skin. It is widely used in hair dyes. It eventually forms Bandrowski′s base, which is found to be the primary cause for allergy. p-Phenylenediamine exposure results in dermatitis, urticaria and anaphylaxis._x000D_ Caution_x000D_ Darkens in storage.