A report on Mercury(I) chloride

Chemical compound with the formula Hg2Cl2.

- Mercury(I) chloride

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A pound coin (density ~7.6 g/cm3) floats on mercury due to the combination of the buoyant force and surface tension.

Mercury (element)

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Chemical element with the symbol Hg and atomic number 80.

Chemical element with the symbol Hg and atomic number 80.

A pound coin (density ~7.6 g/cm3) floats on mercury due to the combination of the buoyant force and surface tension.
Mercury-discharge spectral calibration lamp
The symbol for the planet Mercury (☿) has been used since ancient times to represent the element
Native mercury with cinnabar, Socrates mine, Sonoma County, California. Cinnabar sometimes alters to native mercury in the oxidized zone of mercury deposits.
The bulb of a mercury-in-glass thermometer
Amalgam filling
A single-pole, single-throw (SPST) mercury switch
Mercury manometer to measure pressure
Amount of atmospheric mercury deposited at Wyoming's Upper Fremont Glacier over the last 270 years
EPA workers clean up residential mercury spill in 2004
The deep violet glow of a mercury vapor discharge in a germicidal lamp, whose spectrum is rich in invisible ultraviolet radiation.
Skin tanner containing a low-pressure mercury vapor lamp and two infrared lamps, which act both as light source and electrical ballast
Assorted types of fluorescent lamps.
The miniaturized Deep Space Atomic Clock is a linear ion-trap-based mercury ion clock, designed for precise and real-time radio navigation in deep space.

Mercury(I) chloride, a colorless solid also known as calomel, is really the compound with the formula Hg2Cl2, with the connectivity Cl-Hg-Hg-Cl.

Amber calomel crystals and bright yellow terlinguaite on gossan matrix, 3 mm. across

Calomel

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Amber calomel crystals and bright yellow terlinguaite on gossan matrix, 3 mm. across
Mahogany medicine chest, England, 1801–1900
Packets of calomel.
Label from a calomel and cinnabar specimen

Calomel is a mercury chloride mineral with formula Hg2Cl2 (see mercury(I) chloride).

Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+

Ammonia

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Compound of nitrogen and hydrogen with the formula NH3.

Compound of nitrogen and hydrogen with the formula NH3.

Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+
Ball-and-stick model of the tetraamminediaquacopper(II) cation, [Cu(NH3)4(H2O)2](2+)
Jabir ibn Hayyan
This high-pressure reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.
A train carrying Anhydrous Ammonia.
Liquid ammonia bottle
Household ammonia
Ammoniacal Gas Engine Streetcar in New Orleans drawn by Alfred Waud in 1871.
The X-15 aircraft used ammonia as one component fuel of its rocket engine
Anti-meth sign on tank of anhydrous ammonia, Otley, Iowa. Anhydrous ammonia is a common farm fertilizer that is also a critical ingredient in making methamphetamine. In 2005, Iowa used grant money to give out thousands of locks to prevent criminals from getting into the tanks.
The world's longest ammonia pipeline (roughly 2400 km long), running from the TogliattiAzot plant in Russia to Odessa in Ukraine
Hydrochloric acid sample releasing HCl fumes, which are reacting with ammonia fumes to produce a white smoke of ammonium chloride.
Production trend of ammonia between 1947 and 2007
Main symptoms of hyperammonemia (ammonia reaching toxic concentrations).
Ammonia occurs in the atmospheres of the outer giant planets such as Jupiter (0.026% ammonia), Saturn (0.012% ammonia), and in the atmospheres and ices of Uranus and Neptune.

One example is the Calomel reaction, where the resulting amidomercury(II) compound is highly insoluble.

Disproportionation

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Redox reaction in which one compound of intermediate oxidation state converts to two compounds, one of higher and one of lower oxidation states.

Redox reaction in which one compound of intermediate oxidation state converts to two compounds, one of higher and one of lower oxidation states.

Mercury(I) chloride disproportionates upon UV-irradiation:

Mercury(II) chloride

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Inorganic chemical compound of mercury and chlorine with the formula HgCl2.

Inorganic chemical compound of mercury and chlorine with the formula HgCl2.

Mercuric chloride is obtained by the action of chlorine on mercury or on mercury(I) chloride.

Breathing a Vein, a caricature of bloodletting by venesection by James Gillray, 1804

Heroic medicine

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Therapeutic method advocating for rigorous treatment of bloodletting, purging, and sweating to shock the body back to health after an illness caused by a humoral imbalance.

Therapeutic method advocating for rigorous treatment of bloodletting, purging, and sweating to shock the body back to health after an illness caused by a humoral imbalance.

Breathing a Vein, a caricature of bloodletting by venesection by James Gillray, 1804

He was bled repeatedly and given Mercury(I) chloride (calomel) and several blisters of cantharidin to induce sweating.

Alvin Smith (brother of Joseph Smith)

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The eldest brother of Joseph Smith, founder of the Latter Day Saint movement.

The eldest brother of Joseph Smith, founder of the Latter Day Saint movement.

Lap desk owned by Alvin Smith.

On November 19, 1823, at age 25, Smith died of mercury poisoning from calomel, which had been administered to cure a case of "bilious colic."

2,3-Dimercapto-1-propanesulfonic acid

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2,3-Dimercapto-1-propanesulfonic acid (abbreviated DMPS) and its sodium salt (known as Unithiol) are chelating agents that form complexes with various heavy metals.

2,3-Dimercapto-1-propanesulfonic acid (abbreviated DMPS) and its sodium salt (known as Unithiol) are chelating agents that form complexes with various heavy metals.

A study was undertaken of DMPS use by workers involved in the production of a calomel skin bleaching lotion and in direct contact with mercurous chloride and that already showed elevated urine mercury levels.