Related compounds Molar mass 66.06 g/mol Boiling point 220 °C | Density 1.19 g/cm³ Formula C3H2N2 Melting point 32 °C | |
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Appearance Colourless crystals or white powder Related alkanenitriles | ||
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