... 99.5%, the qualified product is greater than or equal to 99.0%.Saturated vapor pressure (1000 PA):1.33 ( ... yellow, with the storage time generated impurities and color, was water white to pale yellow, with strong pungent odor. And air ... , by eliminating the decarboxylation of Cyclohexene to acetonitrile, finally obtained by hydrogenation of Cyclohexene to cyclohexene ethylamine ethylamine [3399-73-3 ...