white to beige to grey powder
It is a stain used in microscopy. N,N-Dimethyl-p-phenylenediamine dihydrochloride is also suitable for use in the peroxidase test. It is a compound that is normally used to measure the antioxidant potential.
N,N-Dimethyl-p-phenylenediamine dihydrochloride (DMPD) is used for the determination of peroxidase. DMPD is converted into a red pigment of semiquinone nature. It is also used in the HID-AB (high iron diamine-alcian blue) staining procedures, which are used to differentiate between sialomucin and sulfomucin in the gastrointestinal tract.
