... p-aminophenol, catechol, resorcinol and hydroquinone can be purchased from Sigma (St. Louis, MO, USA); N-phe-nyl-p-phenylenediamine, o-aminophenol, m-aminophenol, toluene-3,4-diamine (3,4-di-aminotoluene) ... edema of the pharynx and rhabdomyolysis and died of cardiac attack 4 h a er admission; the concentration of p-phenylenediamine in his blood was 1.47 µg/mL, and 6-aminobenzothiazole, the metabolic ... concentrationsChugh et al. [6] reported a case of a 20-year-old female, who had ingested 40 mL of 4 % p-phe-nylenediamine (1.6 g), had provoked the swelling of the face and neck, upper-abdominal pain,...