Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about New solvent for aromatics separation.HPLC of Formula: 4553-62-2.
1,3-Dicyanobutane (derived from acrylonitrile) has a higher capacity for light aromatic hydrocarbons in liquid-liquid extraction than does sulfolane. As a solvent in extractive distillation its low volatility, high thermal stability, low f.p. and high selectivity are useful. Equilibrium data and multistage extractions of a typical light catalytic reformate are reported. A light counter-solvent is effective, especially when followed by extractive distillation A combination of methods gives high purity aromatics or improved octane gasoline. A flow diagram is given for continuous cyclic operation to sep. reformate and recover the solvent.
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com