Wurster's blue is the trivial name given to the chemical N,N,N′,N′-tetramethyl-p-phenylenediamine, also known as TMPD.


TMPD is an Easily Oxidizable Compound that Serves as a Reducing co-substrate for heme peroxidases.

The extinction coefficient of the oxidized TMPD at 611 nm is 12,200.2 TMPD is also used for the detection of peroxidases on polyacrylamide gels.3


Identifiers :


CAS Number 100-22-1
ChemSpider 21106585
Jmol 3D model Interactive image
PubChem 7490
InChI

Properties :

Chemical formula C10H16N2

Molar mass 164.25 g/mol

Appearance Colourless crystalline solid

Density 0.992g/cm3

Melting point 51 °C (124 °F; 324 K)

Boiling point 260 °C (500 °F; 533 K)

Solubility in water slightly in cold water more so in hot water

Solubility alcohol

Acidity (pKa) 6.35

Hazards
Flash point 110 °C (230 °F; 383 K)


Wurster's Blue :