triphenylguanidine

Noun

 * 1)  An aniline derivative, H$5$C$6$N:C(NHC$6$H$5$)$2$, that acts as a slow accelerator of vulcanization.
 * 2) * 1911, Encyclopædia Britannica
 * Phenyl mustard oil is obtained by boiling sulphocarbanilide with concentrated hydrochloric acid, some triphenylguanidine being formed at the same time.