Description
Mercury is a silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.
- Formula
- Hg
- Molar mass
- 200.592 g/mol
- CAS Number
- 7439-97-6
- Density
- 13.55 g/cm3 at 25°C (77°F)
- Purity/Grade
- 99.9995% (ACS reagent)
- Apearance
- Liquid
- Melting point/freezing point
- -38.87°C (-37.97°F) – lit.
- Initial boiling point and boiling range
- 356.6°C (673.9°F) – lit.
- Flash point
- Not applicable
- Vapour pressure
- <0.01hPa (<0.01 mmHg) at 20°C (68°F); 1hPa (1mmHg) at 126°C (259°F)
- Vapour density
- 6.93 – (Air = 1.0)
- Water solubility
- 0.00006 g/l at 25°C (77°F)
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