Mixotropic series according to Hecker

• Most polar
• aqueous buffers
• inorganic acids
• water
• lactic acid
• formamide
• morpholine
• formic acid
• nitromethane
• acetonitrile
• acetic acid
• methanol
• glyme
• ethanol
• phenol
• aniline
• acetone
• dioxane
• tetrahydrofuran
• pyridine
• ethyl acetate
• methyl ethyl ketone
• diethyl ether
• methylene chloride
• tetrachloroethane
• chloroform
• dichloroethane
• trichloroethane
• benzene
• toluene
• carbon tetrachloride
• carbon disulphide
• cyclopentane
• cyclohexane
• isooctane
• heptane
• hexane
• liquid paraffin
• Least polar