(inorganic chemistry) The potassium salt of hydrochloric acid, KCl; it is used as a fertilizer, and in lethal injections

(inorganic chemistry) The magnesium salt of hydrochloric acid, MgCl₂; it has many industrial applications including the electrolytic production of magnesium metal.

Alternative spelling of caesium chloride

(inorganic chemistry) The cesium salt of hydrochloric acid, CsCl

(pathology) A form of acne caused by exposure to halogenated aromatic hydrocarbons

(organic chemistry) Chloroethane.

(organic chemistry) chloromethane (CH₃Cl)

(organic chemistry) The chlorinated derivative of propene 3-chloropropene that is used in the manufacture of pesticides and pharmaceuticals etc

(organic chemistry) The organosilicon compound (CH₃)₃SiCl used in the synthesis of many organic silicon compounds

(organic chemistry) dichloromethane