Harman Patil (Editor)

Malononitrile

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Related compounds
  
DBNPA

Molar mass
  
66.06 g/mol

Boiling point
  
220 °C

Density
  
1.19 g/cm³

Formula
  
C3H2N2

Melting point
  
32 °C

Malononitrile wwwchemsynthesiscommolimg1big1414167gif

Appearance
  
Colourless crystals or white powder

Related alkanenitriles
  
Acetonitrile Aminoacetonitrile Glycolonitrile Cyanogen Propanenitrile Aminopropionitrile Pivalonitrile Acetone cyanohydrin Butyronitrile Succinonitrile Tetramethylsuccinonitrile

What does malononitrile mean


Malononitrile, also propanedinitrile or malonodinitrile, is a nitrile with the formula CH2(CN)2.

Contents

Malononitrile is relatively acidic, with a pKa of 11 in water. This allows it to be used in the Knoevenagel condensation, for example in the preparation of CS gas:

In related chemistry, malononitrile is a suitable starting material for the Gewald reaction, where the nitrile condenses with a ketone or aldehyde in the presence of elemental sulfur and a base to produce a 2-aminothiophene.

How to pronounce malononitrile


References

Malononitrile Wikipedia
(Text) CC BY-SA