Dissolution Properties of 2-(Dinitromethylene)-5-methyl-1,3-diazacyclopentane in Dimethyl Sulfoxide and N-Methyl Pyrrolidone  

作　　者：XIAO Li-bai XING Xiao-ling ZHAO Feng-qi XU Kang-zheng YAO Er-gang TAN Yi HAO Hai-xia 

机构地区：[1]Science and Technology on Combustion and Explosion Laboratory,Xi'an Modern Chemistry Research Institute,Xi'an 710065,P.R.China [2]School of Chemical Engineering,Northwest University,Xi'an 710065,P.R.China

出　　处：《Chemical Research in Chinese Universities》2012年第4期743-746,共4页高等学校化学研究（英文版）

基　　金：Supported by the Science and Technology Foundation of the Science and Technology on Combustion and Explosion Laboratory of Xi’an Modern Chemistry Research Institute,China(No.9140C35030112OC3501)

摘　　要：The molar enthalpies of dissolution for 2-（dinitromethylene）-5-methyl-1,3-diazacyclopentane（DNMDZ） in dimethyl sulfoxide（DMSO） and N-methyl pyrrolidone（NMP） were measured using an RD496-2000 Calvet microcalorimeter at 298.15 K under atmospheric pressure.Empirical formulae for the calculation of the molar enthalpies of dissolution（Δ diss H） were obtained from the experimental data of the dissolution processes of DNMDZ in DMSO or NMP.The relationships between the rate constant（k） and the molality（b） and between the reaction order（n） and the molality（b） were determined.The corresponding kinetic equations describing the two dissolution processes were dα/dt=10^-2.16（1-α） ^1.01 for the dissolution of DNMDZ in DMSO,and dα/dt=10^-2.02（1-α）^ 0.85 for the dissolution of DNMDZ in NMP,respectively.The molar enthalpies of dissolution for 2-（dinitromethylene）-5-methyl-1,3-diazacyclopentane（DNMDZ） in dimethyl sulfoxide（DMSO） and N-methyl pyrrolidone（NMP） were measured using an RD496-2000 Calvet microcalorimeter at 298.15 K under atmospheric pressure.Empirical formulae for the calculation of the molar enthalpies of dissolution（Δ diss H） were obtained from the experimental data of the dissolution processes of DNMDZ in DMSO or NMP.The relationships between the rate constant（k） and the molality（b） and between the reaction order（n） and the molality（b） were determined.The corresponding kinetic equations describing the two dissolution processes were dα/dt=10^-2.16（1-α） ^1.01 for the dissolution of DNMDZ in DMSO,and dα/dt=10^-2.02（1-α）^ 0.85 for the dissolution of DNMDZ in NMP,respectively.

关 键 词：2-（Dinitromethylene）-5-methyl-1 3-diazacyclopentane DISSOLUTION Kinetics DIMETHYLSULFOXIDE N-Methyl pyrrolidone 

分 类 号：O623.83[理学—有机化学] TQ251.3[理学—化学]