cadaverine forms well-defined crystalline salts as well as compounds with metals.
As stated before, it is less soluble in alcohol than the corresponding compound of cadaverine.
The precipitate contains the picrate of trimethylenediamine, mixed with the picrates of cadaverine and creatinine.
The filtrate contains the cadaverine compound; this latter is recovered by evaporating off the ether-alcohol.
cadaverine ca·dav·er·ine (kə-dāv'ə-rēn')
A syrupy, colorless, fuming ptomaine formed by the carboxylation of lysine by bacteria in decaying animal flesh.