4-Chloro-1-butanol is a colorless to light yellow liquid with the chemical formula C4H9ClO and a molecular weight of 122.57 g/mol. It is a primary alcohol that contains a chlorine atom and is also known by its common name, p-chlorobutanol.
4-Chloro-1-butanol is used in organic synthesis as a building block for various chemicals, including pharmaceuticals, agrochemicals, and surfactants. It can be synthesized by the reaction of 4-chlorobutyryl chloride with sodium hydroxide or by the reaction of 4-chlorobutanal with sodium borohydride.