T3134

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

≥95%, powder

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

Properties

• 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

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.

Caution

May darken in storage.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319
• pcodes: 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_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves