2-Butanone - CheK
1/1/2022· Soluble in 4 parts of water, but the temperature increases when the solubility decreases, 20 ℃, water solubility of 26.8% (mass). Water in 2-butanone solubility of 11.8% (mass). Soluble in ethanol and ether, miscible with oil. With water to form an azeotrope, its boiling point of 74.3 deg C, containing methyl ethyl ketone 88.7%.