Sodium hypochlorite (bleach, liquid chlorine) is a chemical compound with the formula NaClO.
The disinfection compound in sodium hypochlorite is hypochlorous acid. Hypochlorous acid reacts with ammonia to form chloramines, which are a weak secondary disinfectant.
There are many different types of chloramines. In a pH range of 7.5 - 9.0, monochloramines form.