CO2 + 3,7-dimethyl-1-octanol + 1-decanol: High pressure experimental phase equilibria data and thermodynamic modelling was written by van Niekerk Fourie, Frederick Christiaan;Schwarz, Cara Elsbeth;Knoetze, Johannes Hendrik. And the article was included in Journal of Supercritical Fluids in 2018.Quality Control of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:
New VLE data are presented for CO2 + 3,7-dimethyl-1-octanol (37DM1O) + 1-decanol (C10OH) at 35, 55 and 75°C and pressures between 68 and 237 bar. Phase compositions were analyzed using a static analytic app with dual sampling and online chromatog. The mixture displays virtually no enhanced solubility, liq curves remain convex throughout, and coexisting detached two-phase regions were not detected. CO2 can fractionate all measured 37DM1O:C10OH ratios though with limited efficacy, as highlighted by relative solubilities ranging from 1.1 to 1.5. RK-ASPEN, SR-POLAR, PR-BM and PC-SAFT correlations failed at 35°C, the optimum fractionation temperature At 55 and 75°C, RK-ASPEN and SR-POLAR produced the smallest percentage av abs deviations in equil pressure of 4.0%, and RK-ASPEN was marginally superior at correlating vapor and liq phase curves. At 35°C and 187.5 bar, the 25:75 37DM1O:C10OH mixt passed through a d inversion and interesting images thereof are presented. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Quality Control of 3,7-Dimethyloctan-1-ol).
3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Quality Control of 3,7-Dimethyloctan-1-ol
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts