Vinyl-2-(butoxyethyl) ether ,its CAS NO. is 4223-11-4,the synonyms is 1-(2-(Ethenyloxy)ethoxy)-butan ; 1-Butoxy-2-(vinyloxy)-ethan ; 1-Butoxy-2-(vinyloxy)ethane ; 1-Butoxy-2-vinyloxyethane ; 2-Butoxyethyl vinyl ether ; 2-Butoxyethylvinylether ; Butylvinylether ethylenglykolu ; Butylvinyletherethylenglykolu .