Chloro propionyl chloride is an acyl chloride and is represented by the molecular formula C3H4ClO. It features a carbon chain with a chlorine atom attached to the second carbon, making it a reactive molecule. In its 2% aqueous solution, the compound becomes more manageable for use in various applications, allowing for greater control over reactivity and reducing the risks associated with higher concentrations. The compound has a boiling point of approximately 124 degrees Celsius and a density of 1.08 g/cm³, which makes it suitable for various applications requiring temperature stability and liquid handling properties.