|Melting point||-100.8°C172.35 K |
|Boiling point||-34.0°C239.15 K |
Chlorine is a gaseous element that takes the form of a poisonous greenish gas. It is used in bleach and as a mild disinfectant. It also appears in numerous and diverse useful compounds such as hydrochloric acid, chlorofluorocarbons and common salt.