1,2-Butylene carbonate
Introduction '''1,2-Butylene carbonate''' is an organic compound with formula , or (HC)(CH)(CO). It is a double ester with the carbonate functional group bonded to both free ends of the 1,2-butylene group. It is also a heterocyclic compound with a five-membered ring, and can be seen as a derivative of dioxolane, specifically '''4-ethyl-1,3-dioxolan-2-one'''.1,2-Butylene carbonate is a polar aprotic solvent, which has been considered for electric battery applications (as a cheaper alternative to ionic liquids) and many other uses.
See also *Propylene carbonate*''trans''-1,3-Butylene carbonate
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