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Merck
CN

T7394

N,N,N′,N′-Tetramethyl-p-phenylenediamine

99%, powder

Synonym(s):

TMPD, TMPDA, TMPPD, Wurster’s reagent

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About This Item

Linear Formula:
C6H4[N(CH3)2]2
CAS Number:
Molecular Weight:
164.25
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-831-6
Beilstein/REAXYS Number:
1564025
MDL number:
Assay:
99%
Form:
flakes, powder
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InChI key

CJAOGUFAAWZWNI-UHFFFAOYSA-N

InChI

1S/C10H16N2/c1-11(2)9-5-7-10(8-6-9)12(3)4/h5-8H,1-4H3

SMILES string

CN(C)c1ccc(cc1)N(C)C

assay

99%

form

flakes, powder

color

off-white to brown

bp

260 °C (lit.)

mp

49-51 °C (lit.)

Quality Level

General description

N,N,N′,N′-Tetramethyl-p-phenylenediamine (TMPDA) is a redox reagent with low ionization potential widely used as an electron donor for photosystem I. It also acts as an electron acceptor in photosystem II.

Application

N,N,N′,N′-Tetramethyl-p-phenylenediamine (TMPDA) can be used:
  • In the flow injection analysis of benzoyl peroxide.
  • To study photoinduced electron transfer to halogenated solvents.

Disclaimer

May darken in storage.

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Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup


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Ultrafast photoinduced electron transfer from N, N, N′ , N′ -tetramethyl-p-phenylenediamine and N, N, N′ , N′ -tetramethylbenzidine to dichloromethane
Boilet L, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 163(3), 529-536 (2004)
Flow injection analysis of benzoyl peroxide using N, N, N, N-tetramethyl-p-phenylenediamine (TMPDA) and surfactants
Pharr DY & Tomsyck JA
Analytical Letters, 42(5), 821-832 (2009)
Interaction of N, N, N′ ,N′ -tetramethyl-p-phenylenediamine with photosystem II as revealed by thermoluminescence: reduction of the higher oxidation states of the Mn cluster and displacement of plastoquinone from the QB niche
Gauthier A, et al.
Biochimica et Biophysica Acta, 1757(11), 1547-1556 (2006)
Youngno Kim et al.
Scientific reports, 10(1), 16488-16488 (2020-10-07)
Stretchable materials are essential for next generation wearable and stretchable electronic devices. Intrinsically stretchable and highly conductive polymers (termed ISHCP) are designed with semi interpenetrating polymer networks (semi-IPN) that enable polymers to be simultaneously applied to transparent electrodes and electrochromic
Toshiaki Miura
Chemico-biological interactions, 236, 67-73 (2015-04-30)
To investigate the mechanisms of cardiotoxicity induced by adriamycin (ADM), the enzymatic activities of ADM-Fe(3+), including the peroxidase and lipoxygenase (LOX) activity, and participation of active oxygen species in the damage to biological components were examined. ADM-Fe(3+), but not ADM

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