{"id":12174,"date":"2023-02-07T02:27:13","date_gmt":"2023-02-06T18:27:13","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12174"},"modified":"2023-02-07T02:27:13","modified_gmt":"2023-02-06T18:27:13","slug":"volli-vikranth-et-al-published-their-research-in-journal-of-thermal-analysis-and-calorimetry-in-2019-cas-54210-32-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12174","title":{"rendered":"Volli, Vikranth et al. published their research in Journal of Thermal Analysis and Calorimetry in 2019 | CAS: 54210-32-1"},"content":{"rendered":"<p>Oxidative stability, thermal hazard analysis, and decomposition kinetics of 1-methylimidazolium nitrate via DSC, TGA, and GC\/MS was written by Volli, Vikranth;Lin, Wei-Cheng;Krishna, Gubbala Vinay Sai;Bhardwaj, Harsh;Shu, Chi-Min. And the article was included in Journal of Thermal Analysis and Calorimetry in 2019.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">HPLC of Formula: 54210-32-1<\/a> This article mentions the following:<\/p>\n<p>Imidazolium-based ionic liquids are green solvents used as separation and electrolyte media in liquid-liquid extraction processes and electrochem. devices. However, they are volatile and flammable once they reach their thermal decomposition temperatures In the present study, the oxidative stability, decomposition, and combustion reaction of 1-methylimidazolium nitrate [Mim][NO<sub>3<\/sub>] were investigated via thermogravimetric anal. (TG) and differential scanning calorimetry (DSC). TG anal. revealed a single-stage mass loss between 117.6 and 230.2 \u00b0C with oxidative onset temperatures in the range of 126.6-163.2 \u00b0C with the increase in heating rate (1.0, 2.0, 4.0, and 8.0 \u00b0C min<sup>-1<\/sup>). DSC results indicated the degradation as exothermic with the average enthalpy of decomposition as 1610.4 J g<sup>-1<\/sup>. The estimated average value of apparent activation energy using isoconversional methods such as Kissinger, FWO, and Friedman was in the range of 106.1-114.2 kJ mol<sup>-1<\/sup>, and the reaction function (autocatalytic model) is expressed as: f(\u03b1) = (1 &#8211; \u03b1)<sup>1.42<\/sup> (0.017 + \u03b1<sup>0.62<\/sup>) using multivariate nonlinear regression. The GC\/MS anal. revealed the formation of methane isocyanate indicating the hazardous, toxic, corrosive, and carcinogenic nature of the decomposed gases. This research was aimed to develop a predictive model for oxidative degradation behavior and to provide the necessary basis for the design of precise safety systems. In the experiment, the researchers used many compounds, for example, 1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">HPLC of Formula: 54210-32-1<\/a>).<\/p>\n<p>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. Pyrazole has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">HPLC of Formula: 54210-32-1<\/a><\/p>\n<p>Referemce:<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. Pyrazole has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">HPLC of Formula: 54210-32-1<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[833,131],"tags":[128],"class_list":["post-12174","post","type-post","status-publish","format-standard","hentry","category-54210-32-1","category-pyrazoles-derivatives","tag-100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Volli, Vikranth et al. published their research in Journal of Thermal Analysis and Calorimetry in 2019 | CAS: 54210-32-1 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Oxidative stability, thermal hazard analysis, and decomposition kinetics of 1-methylimidazolium nitrate via DSC, TGA, and GC\/MS was written by Volli, Vikranth;Lin, Wei-Cheng;Krishna, Gubbala Vinay Sai;Bhardwaj, Harsh;Shu, Chi-Min. 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