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A recent proposal attributes the origin of hydrotropy to the water-mediated aggregation of hydrotrope molecules around the solute. Experimental evidence for this phenomenon is reported for the first time in this work, using 1H-NMR. A new computational technique to quantify apolarity is introduced and is used to show that apolarity of both solute and hydrotrope is the driving force of hydrotropy. This journal is
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Abranches, Dinis O.; Benfica, Jordana; Soares, Bruna P.; Leal-Duaso, Alejandro; Sintra, Tânia E.; Pires, Elísabet; Pinho, Simão P.; Shimizu, Seishi; Coutinho, João A.P. (2020). Unveiling the mechanism of hydrotropy: Evidence for water-mediated aggregation of hydrotropes around the solute. Chemical Communications. ISSN 1359-7345. 56:52, p. 7143-7146