1,3-Butanediol is an organic compound with the formula HOCH2CH2CH(OH)CH3. It is a chiral diol. The compound is a colorless, water-soluble liquid. It has no large scale uses. It is one of four stable structural isomers of butanediol. 1718944 (R)1718943 (S)2493173 (R)1994384 (S)1,4-Butanediol2,3-Butanediol