Dissolution properties of 5,5′-bistetrazole-1, 1′-dihydroxy and disodium 5,5′-bistetrazole-1, 1′-diolate in dimethyl sulfoxide

Hu Niu, Shusen Chen, Shaohua Jin, Lijie Li, Xiaojun Wang, Chunyuan Zhang, Haoming Zou, Qinghai Shu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The enthalpies of dissolution for 5,5′-Bistetrazole-1, 1′-dihydroxy ((H2O)2BTO) and disodium 5,5′-Bistetrazole-1,1′-diolate ([Na2(H2O)4]BTO) in dimethyl sulfoxide (DMSO) at 298.15 K were studied by using a C-80 Calvet microcalorimeter. Empirical formulae for the calculation of the molar enthalpies of dissolution (ΔdissH), relative partial molar enthalpies (ΔdissHpartial), and relative apparent molar enthalpies (ΔdissHapparent) were deduced by the experimental results of the dissolution processes of (H2O)2BTO and [Na2(H2O)4]BTO in DMSO. Finally, the corresponding kinetic equations describing the dissolution processes were dα/dt = 10−2.60(1−α)0.61 for the dissolution of (H2O)2BTO in DMSO, and dα/dt = 10−2.69(1−α)0.62 for the dissolution of [Na2(H2O)4]BTO in DMSO.

Original languageEnglish
Pages (from-to)615-620
Number of pages6
JournalJournal of Thermal Analysis and Calorimetry
Volume128
Issue number1
DOIs
Publication statusPublished - 1 Apr 2017

Keywords

  • 5,5′-bistetrazole-1,1′-dihydroxy
  • Dimethyl sulfoxide
  • Disodium 5,5′-bistetrazole-1,1′-diolate
  • Dissolution
  • Enthalpies

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