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:
Molecular Weight:
237.17
Beilstein:
7442241
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
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Quality Level
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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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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
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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