Rum Ether is a synthetic flavoring agent that is a stable, colorless to
yellow liquid of ethereal rum-like note. it should be stored in glass
and stainless steel containers. it is used to intensify rum flavors for
application in beverages, candy, and ice cream at 67–320 ppm and in
alcoholic beverages at 1,600 ppm. it is also termed ethyl oxyhydrate.