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Merck
CN

T3134

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

≥95%, powder

Synonym(s):

TMPPD, Wurster’s reagent

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About This Item

Linear Formula:
C6H4[N(CH3)2]2·2HCl
CAS Number:
637-01-4
Molecular Weight:
237.17
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24900109
EC Number:
211-274-8
Beilstein/REAXYS Number:
7442241
MDL number:
MFCD00012482

Key Documents

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Product Name

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

InChI key

FBHKTSXMTASXFJ-UHFFFAOYSA-N

InChI

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

SMILES string

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

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

Quality Level

200

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Application

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

Disclaimer

May darken in storage.

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5786
MKCX2933
MKCV7851
MKCX0487
MKCW4117

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