
Choline chloride
Choline chloride is an organic compound with the formula [(CH3)3NCH2CH2OH]+Cl−. It is a quaternary ammonium salt, consisting of choline cations ([(CH3)3NCH2CH2OH]+) and chloride anions (Cl−). It is a bifunctional compound, meaning, it contains both a quaternary ammonium functional group and a hydroxyl functional group. The anion of this salt, choline, occurs in nature in living beings.[2] Choline chloride is a white, water-soluble salt used mainly in animal feed.[3]
Applications[edit]
It is an important additive in feed especially for chickens where it accelerates growth. It forms a deep eutectic solvent with urea, ethylene glycol, glycerol, and many other compounds.
It is also used as a clay control additive in fluids used for hydraulic fracturing.[7]
Related salts[edit]
Other commercial choline salts are choline hydroxide and choline bitartrate. In foodstuffs, the compound is often present as phosphatidylcholine.