Isopropyl isothiocyanate is an isothiocyanate derivative. It has been identified as one of the volatile components in the following:seed kernel and leaf of Moringa peregrina (Forssk. ) Fiori, Agricolt1essential oil isolated from Upland Wasabi hydrodistillates of hedge mustard (Sysimbrium officinale)Molecular conformations of isopropyl isothiocyanate in gas phase have been determined by electron diffraction studies. It has been synthesized by employing isopropyl amine as a starting reagent.