1. a crystalline compound (C6H5NH)2C=NH made by reaction of aniline and cyanogen chloride and used as an accelerator of vulcanization — called also 1,3-diphenylguanidine
diphenyl guanidine 例句
英汉例句
diphenyl guanidine has been prepared by using of fe2 o3 as catalyst and 70% ethanol as solvent, and simultaneously the by - product h2s is used to prepare thiourea.