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
{{Chemistry index
Diamines