Michler's ketone

• 4,4 ' -bis (dimethylamino ) benzophenone
• N, N, N ', N' -tetramethyl- 4, 4'- diaminobenzophenone

Colorless plates

Fixed

172-175 ° C

Very poor in water ( 0.4 g · l-1 at 20 ° C)

Risk

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Michler's ketone is an almost white when pure, technical grade usually blue - gray solid. It is named after its discoverer Wilhelm Michler.

Production and representation

4,4 '-bis (dimethylamino ) benzophenone, can be industrially by the reaction of N, N -dimethylaniline, with phosgene to produce Lewis catalysts, for example, ZnCl2.

Use

The compound used in the chemical industry, primarily as starting materials for the synthesis of dyes such as crystal violet.

Safety

Michler's ketone is considered carcinogenic.