Butanediol, also called butylene glycol, may refer to any one of four stable structural isomers: * 1,2-Butanediol * 1,3-Butanediol * 1,4-Butanediol * 2,3-Butanediol This set index page lists chemical compounds articles associated with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.