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4'-methylacetophenone is a clear colourless to yellowish liquid with an odour characteristic of aromatic compounds. Its freezing point is -19.5 °C and its boiling point is 226.3 °C. The dynamic viscosity of the substance is 1.98 mPa · s at 23 °C. The substance has a relative density of 1.0038, a water solubility of 2073 mg/L and a log Kow of 2.1 at 25 °C. The vapour pressure is 52 Pa at 25 °C. The flash point of the substance at 1013 hPa is 93 °C and the auto-ignition temperature is 578 ± 5 °C at standard atmospheric pressure. 4'-methylacetophenone is non-flammable, non-explosive and non-oxidising.