You will need to see what the purpose of the formula is. If used as a solvent (solvent) can be used. Butylene Glycol , Propylene Glycol , Propanediol can be substituted if used as a นำพาสาร can be used 1,2-Hexanediol , Laurocapram , PE-1 Aqua , Reservoir-Tech can be substituted if available. Useful...