MALONONITRILE


'Malononitrile', also 'propanedinitrile', is a nitrile, with formula CH2(CN)2. Malononitrile is relatively acidic, with an pKa of 11 in water.[1] This allows it to be used in the Knoevenagel condensation, for example in the preparation of CS gas:
CS-chemical-synthesis

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. 2-Aminothiophenes By The Gewald Reaction, Sabnis, R.W., , , Journal of Heterocyclic Chemistry, 1999

Contents
See also
Reference
External links

See also



★ Malonic acid

★ Diethyl malonate

Reference


1. Evans pKa table

External links



★ WebBook page for C3H2N2

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