4,4-Bis(Diethylamino) Benzophenone

4,4-Bis(Diethylamino) Benzophenone，also called Michlers Ethylketone;4,4-Bis(diethylamino)benzophenone; MCO; Photoinitiator-MEK.

Product Name

4,4-Bis(Diethylamino) Benzophenone

CAS No.

90-93-7

EINECS

202-025-4

Chemical formula

C21H28N2O  

Grade

Industrial/reagent

Application

It is generally used as photoinitiator and intermediate for the preparation of basic blue 7.
As an important intermediate of basic dyes, it is used in the production of basic brilliant blue B, basic brilliant blue R, etc.
UV curable coatings and inks.
Photoinitiator.

Parameter

Grade

Product Name

4,4′-Bis(diethylamino)benzophenone

Appearance

Crystalline Granules

Colour

Yellow to yellow-green

pH

4-6 (50g/l, H2O, 20℃)

Water solubility

insoluble

Melting point

89-92 °C(lit.)

Boiling point

475.7±30.0 °C(Predicted)

Density

1.048±0.06 g/cm3(Predicted)

Acidity coefficient (PKA)

4.14±0.32(Predicted)

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