Elemental, or metallic, mercury has properties that have led to its use in many different consumer and commercial products and industrial sectors. It conducts electricity, forms alloys with other metals, and expands in response to changes in temperature and pressure. Some mercury compounds are used as preservatives in medicines and other products.
While some manufacturers have reduced or eliminated their use of mercury in consumer and commercial or industrial products, there are still many existing items in the marketplace that contain mercury. EPA encourages individuals, organizations and businesses to use non-mercury alternatives and to recycle old or unused mercury-containing products whenever possible.
Some products that may contain mercury: