n-cyclohexyl-n'-phenyl-p-phenylenediamine

N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine is a component of black rubber. It is also a dermatological sensitizer and allergen. N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine is approved for use within allergenic epicutaneous patch tests which are indicated for use as an aid in the diagnosis of allergic contact dermatitis (ACD) in persons 6 years of age and older. — NCATS