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

Name: <I>N,N,N′,N′</I>-Tetramethyl-<I>p</I>-phenylenediamine dihydrochloride
Brand: SIGMA

≥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

Assay:

≥95%

Form:

powder

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Properties

Quality Segment

200

assay

≥95%

form

powder

color

white to brown, Faint Grey to Grey

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

Description

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.

Disclaimer

May darken in storage.

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This Item	491527	CDS003207
Sigma-Aldrich T3134 N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride	Sigma-Aldrich 491527 4′-Chloroacetophenone-2′,3′,5′,6′-d₄	Sigma-Aldrich CDS003207 2′,4′,5′,7′-tetrabromo-3,4,5,6-tetrachlorofluorescein
description ≥95%, powder	description 98 atom % D	description Aldrich^CPR
assay ≥95%	assay -	assay -
solubility H₂O: 500 mg/10 mL	solubility -	solubility -
Quality Level 200	Quality Level 200	Quality Level -
form powder	form -	form solid
storage temp. room temp	storage temp. -	storage temp. -
mp 222-224 °C (lit.)	mp 14-18 °C (lit.)	mp -

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Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H315,H319

Precautionary Statements

P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

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 (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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