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T3134

Sigma-Aldrich

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

≥95%, powder

All Photos(3)
Synonym(s):
TMPPD, Wurster’s reagent
Linear Formula:
C6H4[N(CH3)2]2·2HCl
CAS Number:
637-01-4
Molecular Weight:
237.17
Beilstein:
7442241
EC Number:
211-274-8
MDL number:
MFCD00012482
PubChem Substance ID:
24900109
NACRES:
NA.47

Quality Level

200

Assay

≥95%

form

powder

color

off-white to gray-brown

mp

222-224 °C (lit.)

solubility

H2O: 500 mg/10 mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cl[H].Cl[H].CN(C)c1ccc(cc1)N(C)C

InChI

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

InChI key

FBHKTSXMTASXFJ-UHFFFAOYSA-N

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This Item
T73948789092220
N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride ≥95%, powder

Sigma-Aldrich

T3134

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

N,N,N′,N′-Tetramethyl-p-phenylenediamine 99%, powder

Sigma-Aldrich

T7394

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

N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride ≥97.0% (AT)

Sigma-Aldrich

87890

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

2′,4′,6′-Trimethylacetophenone ≥98.0% (GC)

Sigma-Aldrich

92220

2′,4′,6′-Trimethylacetophenone

form

powder

form

flakes, powder

form

powder

form

liquid

mp

222-224 °C (lit.)

mp

49-51 °C (lit.)

mp

222-224 °C (lit.)

mp

-

solubility

H2O: 500 mg/10 mL

solubility

-

solubility

-

solubility

-

storage temp.

room temp

storage temp.

-

storage temp.

-

storage temp.

-

color

off-white to gray-brown

color

off-white to brown

color

-

color

-

General description

N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride (TMPD) is a redox mediator used in the oxidase test for detecting bacterial cytochrome c oxidases. TMPD is commonly used to perform the oxidase test for the colorimetric identification of pathogenic and non-pathogenic bacteria.

Application

N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride has been used to determine the oxidase activity displayed by various microorganisms.

Caution

May darken in storage.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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25G
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705578-5MG-PW

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1000309185

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