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Tetracyanoethylene (TCNE), more correctly ethenetetracarbonitrile, is a clear colored organic compound consisting of ethylene with the four hydrogen atom replaced with cyano groups. It is an important member of the cyanocarbons.
T 1363 (OTTO) Tetracyanoethylene, 98% Cas 670-54-2 - used for postfunctional addition to polyphenylacetylene derivatives to change the oxygen permeability.