The author of 《Miscible-Immiscible Transition of Deep Eutectic Solvents in Water Switched by CO2》 were Wan, Wenrui; Xiong, Dazhen; Zhang, Qian; Wang, Jianji. And the article was published in ACS Sustainable Chemistry & Engineering in 2019. Application of 150-19-6 The author mentioned the following in the article:
It is very important to develop “”smart”” solvents that can integrate the advantages of homogeneous and heterogeneous reactions into one chem. process for enhanced reaction rate and minimal environmental impact. In designing these solvents, the applicability of the systems to real processes strongly depends on the phase behavior of the systems. In this work, a novel class of CO2 driven miscible-immiscible transition of deep eutectic solvents (DESs) have been explored. These DESs are composed of alkanolamine compounds as hydrogen bond acceptor (HBA) and phenolic compounds as hydrogen bond donor (HBD). They exhibit unique phase behavior with H2O: miscible with water in the absence of CO2, but immiscible with water in the presence of CO2 at room temperature and ambient pressure. Reversible liquid-liquid phase transition of such DESs-H2O mixtures can be realized by alternatively bubbling of CO2 and N2 under ambient conditions. Spectroscopic investigations show that the mechanism behind miscible-immiscible transition of DESs involves breaking of the hydrogen bonds between HBD and HBA by H2CO3 generated by bubbling CO2 through aqueous solution, because the acidity of H2CO3 is stronger than that of HBAs. And then HBAs react with H2CO3 to form ammonium salts. The salting-out effect of ammonium salts leads to the formation of an ammonium-salts-rich top phase and an HBD-rich bottom phase. When CO2 is removed by bubbling of N2, reversible process is achieved. The experimental process involved the reaction of m-Methoxyphenol(cas: 150-19-6Application of 150-19-6)
m-Methoxyphenol(cas: 150-19-6) may be used as an analytical standard for the determination of the analyte in wine, coffee beans, wood samples, and mainstream smoke by gas chromatography (GC) based techniques.Application of 150-19-6
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem