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

Dissolution Properties of 2-(Dinitromethylene)-5-methyl-1,3-diazacyclopentane in Dimethyl Sulfoxide and N-Methyl Pyrrolidone
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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.
出处 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 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)
关键词 2-(Dinitromethylene)-5-methyl-1 3-diazacyclopentane DISSOLUTION Kinetics DIMETHYLSULFOXIDE N-Methyl pyrrolidone 2-(Dinitromethylene)-5-methyl-1 3-diazacyclopentane Dissolution Kinetics Dimethylsulfoxide N-Methyl pyrrolidone
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