The salts of 1, 4-di-(y-aminopropoxy)-pentane were obtained as solids only when the acid was dibasic and contained an even number of carbon atoms. Although the compounds were white powders which appeared amorphous, X-ray examination2'of the oxalate and succinate showed well defined powder diagrams indicating microcrystallinity. These salts were hygroscopic substances, easily soluble in water or absolute ethanol with the ...