Effect of sodium chloride on the solubility and hydrolysis of epichlorohydrin in water

Effect of sodium chloride on the solubility and hydrolysis of epichlorohydrin in water

The mutual solubility of the components in the epichlorhydrin–water–sodium chloride system was studied in the temperature range of 20–90 °С. It was found that epichlorohydrin is salted out as the concentration of NaCl increases. The Sechenov coefficient was determined to be equal to 0.29. It was fou...

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Veröffentlicht in:Russian chemical bulletin 2018-09, Vol.67 (9), p.1627-1630
Hauptverfasser: Dmitriev, G. S., Zanaveskin, L. N., Khadzhiev, S. N.
Format: Artikel
Sprache:eng
Schlagworte:
Chemical industry
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Epichlorohydrin
Glycerol
Hydrolysis
Inorganic Chemistry
Organic Chemistry
Reagents
Sodium chloride
Solubility
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Zusammenfassung:The mutual solubility of the components in the epichlorhydrin–water–sodium chloride system was studied in the temperature range of 20–90 °С. It was found that epichlorohydrin is salted out as the concentration of NaCl increases. The Sechenov coefficient was determined to be equal to 0.29. It was found that epichlorohydrin reacts with an aqueous solution of sodium chloride to form glycerol dichlorohydrins. Alkali formed during this reaction catalyzes the hydrolysis of epichlorohydrin to glycerol monochlorohydrin, acts as a reagent in the glycidol formation and accelerates its subsequent conversion to glycerol.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-018-2269-2