Structural Formula Vector Image
Title: Tetracyanoethylene
CAS Registry Number: 670-54-2
CAS Name: Ethenetetracarbonitrile
Additional Names: 1,1,2,2-tetracyanoethene; D2,2¢-bimalononitrile; TCNE
Molecular Formula: C6N4
Molecular Weight: 128.09
Percent Composition: C 56.26%, N 43.74%
Literature References: Prepd by debromination of dibromomalononitrile with copper powder in boiling benzene: Cairns et al., J. Am. Chem. Soc. 80, 2775 (1958).
Properties: Crystals, mp 200°. Begins to sublime at 120°.
Melting point: mp 200°
Use: In the synthesis of spiro compds, in modified Diels-Alder reactions, as aromatizing agent: Longone, Smith, Tetrahedron Lett. 1962, 205.

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