Iodine monochloride is a red or brown solid. It easily melts. It has two forms; one melts at 27.2°C and the other melts at 13.9°C. It is an oxidizing agent. It can vaporize easily, too to make a brown vapor. It reacts with water. It is the main source of I+. It is an interhalogen.
It is used to add iodine atoms to some organic compounds.