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N,N,N′,N′-Tetramethyl-p-Phenylenediamine Dihydrochloride

Also known as Wurster’s reagent. It is used in the oxidase test in microbiology to determine if a bacterium produces certain cytochrome c oxidases.It uses disks impregnated with a reagent such as N,N,N′,N′-tetramethyl-p-phenylenediamine (TMPD) or N,N-dimethyl-p-phenylenediamine (DMPD), which is also a redox indicator. The reagent is a dark-blue to maroon color when oxidized, and colorless when reduced.

Product Details

Category Microbiology Products
Price POA
CAS Number 637-01-4
Formula C6H4[N(CH3)2]2·2HCl
Molecular Weight 237.17
Purity 97%
Appearance Off-white to grey-brown powder
Availability In Stock
Storage Conditions Room temperature

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