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This map displays locations where Mercury is known to be present.


Environmental Health WebMaps

Mercury

Molecules

CAS ID #: 007439-97-6

Mercury is a naturally occurring metal which has several forms. The metallic mercury is a shiny, silver-white, odorless liquid. If heated, it is a colorless, odorless gas.

Mercury combines with other elements, such as chlorine, sulfur, or oxygen, to form inorganic mercury compounds or "salts," which are usually white powders or crystals. Mercury also combines with carbon to make organic mercury compounds. The most common one, methylmercury, is produced mainly by microscopic organisms in the water and soil. More mercury in the environment can increase the amounts of methylmercury that these small organisms make.

Metallic mercury is used to produce chlorine gas and caustic soda, and is also used in thermometers, dental fillings, and batteries. Mercury salts are sometimes used in skin lightening creams and as antiseptic creams and ointments.


Related Resources for Mercury

  • CERCLA Priority List of Hazardous Substance

    Prioritization of substances based on a combination of their frequency, toxicity, and potential for human exposure at National Priorities List (NPL) sites.

  • Interaction Profile

    Succintly characterizes the toxicologic and adverse health effects information for mixtures of hazardous substances.

  • Medical Management Guidelines(MMGs)for Acute Chemical Exposures

    Publication intended to aid emergency department physicians and other emergency healthcare professionals who manage acute exposures resulting from chemical incidents.

  • Mercury Report - Children’s Exposure to Elemental Mercury: A National Review of Exposure Events

  • Minimal Risk Levels (MRLs)

    The MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse, non-cancer health effects over a specified duration of exposure. The information in this MRL serves as a screening tool to help public health professionals decide where to look more closely to evaluate possible risk of adverse health effects from human exposure.

  • National Alert - Toxic Substance

    Warning about a specific substance.

  • National Report Human Exposure to Environmental Chemicals

    Provides an ongoing assessment of the exposure of the U.S. population to environmental chemicals using biomonitoring.

  • Results by Chemical Group


  • Fact Sheet (PDF, 56KB)


  • Public Health Statement

    Summary about a hazardous substance taken from Chapter One of its respective ATSDR Toxicological Profile.

  • ToxFAQsTM

    Fact sheet that answers the most frequently asked questions about a contaminant and its health effects.

  • ToxFAQsTM: Chemical Agent Briefing Sheets(CABS)

    Briefing sheets that provide current and relevant scientific information on specific high profile chemicals.

  • Toxicological Profile

    Succinctly characterizes the toxicologic and adverse health effects information for a hazardous substance.

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