Phenylenediamine
# Phenylenediamine

Phenylenediamine may refer to:

* o-phenylenediamine or OPD, a chemical compound $C_6H_4(NH_2)_2$
* m-phenylenediamine or MPD, a chemical compound $C_6H_4(NH_2)_2$
* p-phenylenediamine or PPD, a chemical compound $C_6H_4(NH_2)_2$
* N,N-dimethyl-p-phenylenediamine or DMPD
* N,N,N′,N′-tetramethyl-p-phenylenediamine or TMPD, used in microbiology
* N,N-diethyl-p-phenylenediamine or DPD
