In this paper, a new ketazine compound (C14N2H24) was synthesized from cyclopentyl methyl ketone and hydrazine hydrate. After the separation and purification of the product, the structure of cyclopentyl methyl ketazinewas determined by 1H NMR,13C NMR, and IR spectra. With Gaussian 09 computation, the structure (1E, 2E) of the product was proved to be the most stable molecular configuration. Furthermore, the basic physical and chemical properties of cyclopentyl methyl ketazine under atmospheric pressure were measured, including boiling point (Tb, 238.4℃), melting point (Tm, -38.2℃), density (ρ, 0.910-0.969 g·cm-3), dynamic viscosity (η,2.35-13.17 mPa·s), and specific heat capacity (Cp, 2.97-3.63 J·g-1·℃-1). The thermal expansion coefficient (α, 8.26×10-4-8.75×10-4℃-1) was calculated according to its density.The results show that ρ and η have a positive correlation with temperature while Cp and α have a negative correlation with temperature. The obtained data and correlation formula are very valuable for the industrial application of cyclopentyl methyl ketazine.
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