It is a white to pale yellow crystalline solid. Calomel is sometimes found as a mineral, but it is quite rare. Mercury(II) chloride Sublimate: Bemerkungen für Schulen: Quecksilber(II)-chlorid ist ein sehr toxisches, wasserlösliches Quecksilbersalz, das leicht vom Körper aufgenommen wird. Benjamin Rush was one particular well-known advocate of mercury in medicine and used calomel to treat sufferers of yellow fever during its outbreak in Philadelphia in 1793. Until fairly recently,[when?] In the crystal, each mercury atom is bonded to two close chloride ligands with Hg---Cl distance of 2.38 Å; four more chloride are more distance at 3.38 Å. Educ. Mercury(I) fluoride is unstable in the absence of a strong acid. 122 matches found for mecury chloride . mercury chloride n a chloride of mercury: as. IMO 6.1; Mercury ammonium chloride. Is it too toxic to my health ? View. [8], Mormon prophet Joseph Smith's eldest brother Alvin Smith died in 1823 from mercury poisoning from calomel. Speciation is the term commonly used to represent the distribution of a quantity of mercury among various … Once used as a treatment for syphilis, it is no longer used for medicinal purposes because of mercury toxicity and the availability of… Mercury(I) chloride is the chemical compound with the formula Hg2Cl2. The mineral calomel crystallizes in the tetragonal system, with space group I4/m 2/m 2/m. The black color that came from the reaction with ammonia gave its name "calomel" (beautiful black). J. Chem. 2004, 81 (9), 1260. It was used as medicine in the past, although it was toxic. Mercury(II) chloride or mercuric chloride (archaically, corrosive sublimate) is the chemical compound of mercury and chlorine with the formula HgCl2. It turns back into mercury and mercury(II) chloride when reacted with ammonia or exposed to ultraviolet light. Biochemistry. Upon decomposition highly toxic chloride and mercury fumes are emitted. Once used as a treatment for syphilis, it is no longer used for medicinal purposes because of mercury toxicity … Both are poorly soluble. It has also found uses in cosmetics as soaps and skin lightening creams, but these preparations are now illegal to manufacture or import in many countries including the US, Canada, Japan and the European Union. In mercury: Principal compounds. Crystal and molecular structures of 2:1 complexes of uracil-mercuric chloride and dihydrouracil-mercuric chloride. 1 mole is equal to 1 moles Mercury(I) Chloride, or 472.086 grams. It is toxic, but not as toxic as mercury(II) chloride because it does not dissolve in water. Since it decomposes when light is shined on it, it is used to see how many photons are in a light beam. [13] A study of workers involved in the production of these preparations showed that the sodium salt of 2,3-dimercapto-1-propanesulfonic acid (DMPS) was effective in lowering the body burden of mercury and in decreasing the urinary mercury concentration to normal levels. We enable science by offering product choice, services, process excellence and our people make it happen. GHS Hazard and Precautionary Statements. Modern researchers used that same mercury, found deep in latrine pits, to retrace the locations of their respective locations and campsites.[9]. Calomel was given to patients as a purgative or cathartic until they began to salivate and was often administered to patients in such great quantities that their hair and teeth fell out. Element : Symbol : Atomic Mass # of Atoms : Mass Percent: Chlorine: Cl: 35.453: 2: 15.020%: Mercury: Hg: 200.59: 2: 84.980% ›› Calculate the molecular weight of a chemical compound. Mercury (I) chloride is the chemical compound with the formula Hg 2 Cl 2. As mentioned above, the main groups of mercury species are elemental mercury, inorganic and organic mercury forms. volumetric flask and filling the flask to the mark with water. Anecdotal evidence indicates calomel was more effective than bleeding. It is used in electrochemistry as a reference electrode. *Please select more than one item to compare. Mercuric chloride definition, a white, crystalline, water-soluble, strongly acrid, highly poisonous solid, HgCl2, prepared by sublimation of chlorine with mercury, and used chiefly as an antiseptic. Finden Sie eine große Auswahl an Alfa Aesar™ Quecksilber(II)-chlorid, 98+ % -Produkten und erfahren Sie mehr über Alfa Aesar™ Quecksilber(II)-chlorid, Although extremely toxic, this odourless, colourless substance has a wide variety of applications. Mercury(II) chloride Section 1 ­ Chemical Product and Company Identification MSDS Name: Mercury(II) chloride Catalog Numbers: M/2800/48, M/2800/50, M/2800/53, M/2850/48, M/2850/50, M/2850/53, M/2850/60 Synonyms: Calochlor; Corrosive mercury chloride; Corrosive sublimate; Mercury bichloride; Mercury Convert grams Mercury(I) Chloride to moles or moles Mercury(I) Chloride to grams. Use this page to learn how to convert between moles Mercury(I) Chloride and gram. The unit cell of the crystal structure is shown below: The Hg–Hg bond length of 253 pm (Hg–Hg in the metal is 300 pm) and the Hg–Cl bond length in the linear Hg2Cl2 unit is 243 pm. It has mercury and chloride ions in it. [7], Shortly after yellow fever struck Philadelphia, the disease broke out in Jamaica. Note that rounding errors may occur, so always check the results. [3] The black name (somewhat surprising for a white compound) is probably due to its characteristic disproportionation reaction with ammonia, which gives a “spectacular” black coloration due to the finely dispersed metallic mercury formed. Calculate the concentration in mol/L of the chemist's mercury(1) chloride solution, Round your answer to 2 significant digits. Learn more about Mercury (II) chloride. This page was last changed on 8 July 2013, at 07:58. EC Number 233-307-5. It is a component of reference electrodes in electrochemistry. 233-307-5 • UN-Nr. It has mercury and chloride … [4][5], The name calomel is thought to come from the Greek καλός beautiful, and μέλας black; or καλός and μέλι honey from its sweet taste. It was used by doctors in America throughout the 18th century, and during the revolution, to make patients regurgitate and release their body from "impurities". mercury chloride. Its chemical formula is Hg 2 Cl 2. Molecular weight calculation: 200.59*2 + 35.453*2 ›› Percent composition by element 1 molt X Longer mercury polycations exist. It can also be made by reacting mercury(I) nitrate with sources of chloride, such as sodium chloride. Mercury is unique among the group 12 metals for its ability to form the M–M bond so readily. It was used in medicine as a diuretic and purgative (laxative) in the United States from the late 1700s through the 1860s. Search term: mecury chloride "mercury chloride" Compare Products: Select up to 4 products. But it turns out that Mercurous chloride does a perfectly fine job for amalgams and is thus a good substitute. From Simple English Wikipedia, the free encyclopedia, https://simple.wikipedia.org/w/index.php?title=Mercury(I)_chloride&oldid=4489024, Creative Commons Attribution/Share-Alike License. [citation needed], Lewis and Clark brought along the wonder drug of the day, mercury chloride (otherwise known as calomel), as a pill, a tincture, and an ointment. b) MERCURIC CHLORIDE. Avoid formates, sulfites, hypophosphites, phosphates, sulfides, albumin, gelatin, alkalies, alkaloid salts, ammonia, lime water, antimony, arsenic, bromides, borax, carbonates, reduced iron, copper, iron, lead, silver salts, infusions of cinchona, columbo, oak bark or senna, and tannic acid. Reference electrodes are used to find the electrode potentials (ability to be oxidized and reduced) of other chemical substances. It is the most common mercury(I) compound. Ph Eur,ACS: Documentation Mercury(II) chloride SDS. Also known as the mineral calomel (a rare mineral) or mercurous chloride, this dense white or yellowish-white, odorless solid is the principal example of a mercury (I) compound. Structure, properties, spectra, suppliers and links for: Mercury(I) chloride, calomel, 10112-91-1, Hg2Cl2. Quecksilber (I)-chlorid kommt in der Natur als seltenes Mineral Kalomel vor, ein dunkelgraues Mineral, das bei höheren Quecksilber (I)-chlorid-Anteilen auch graugelb bis hellgelb sein kann. It is made by reacting mercury with mercury(II) chloride. The mercury is in its +1 oxidation state. Mercury(I) chloride, also known as calomel and mercurous chloride, is a chemical compound. Mercury (I) chloride structure Mercury (I) chloride, also known as calomel and mercurous chloride, is a chemical compound. Molar mass of Hg2Cl2 = 472.086 g/mol. mercuric chloride,mercury ii chloride,sublimate,mercury bichloride,mercury dichloride,corrosive sublimate,mercuric bichloride,mercury perchloride,sublimat,hgcl2: Solubility Information: Solubility in water: 7.4g/100 mL (20°C). Hg2Cl2 is a linear molecule. Schon etwa ein halbes Gramm kann für einen erwachsenen Menschen tödlich wirken. Mercurous chloride forms by the reaction of elemental mercury and mercuric chloride: It can be prepared via metathesis reaction involving aqueous mercury(I) nitrate using various chloride sources including NaCl or HCl. [6], Mercury became a popular remedy for a variety of physical and mental ailments during the age of "heroic medicine". Also known as calomel or mercurous chloride, this dense white or yellowish-white, odorless solid is the principal example of a mercury (I) compound. Empirical formula Hg 2 Cl 2 Molar mass (M) 472,09 g/mol Solubility 2,3 mg/l (H 2 O, 20 °C) ADR 6.1 III • WGK 3 CAS No. [citation needed]. Information about limitation of use: For use only by technically qualified individuals. By utilizing a light reaction in the presence of mercury(II) chloride and ammonium oxalate, mercury(I) chloride, ammonium chloride and carbon dioxide are produced. This particular reaction was discovered by J. M. Eder (hence the name Eder reaction) in 1880 and reinvestigated by W. E. Rosevaere in 1929.[11]. ›› Mercury(I) Chloride molecular weight. Type in your own numbers in the form to convert the units! MDL number MFCD00011043. A chemist prepares a solution of mercury(1) chloride (Hg,C12) by measuring out 0.19 mg of mercury(1) chloride into a 50. ml. Linear Formula Hg 2 Cl 2. Help. 1971, 10 (2), 292-299. Skip to main content. Quecksilber(II)-chlorid ist eine farblose, kristalline, in Wasser mäßig lösliche, sehr giftige molekulare Verbindung, die bei 281 °C schmilzt.Da sie beim Erhitzen leicht sublimiert, bezeichnet man sie als Sublimat: Der Siedepunkt bei 302 °C ist kaum zu beobachten. Mercurous chloride decomposes into mercury(II) chloride and elemental mercury upon exposure to UV light. It is also referred to as the mineral horn quicksilver or horn mercury. Convert grams Mercury(I) Chloride to moles or moles Mercury(I) Chloride to grams. Mercury(I) chloride ACS reagent, ≥99.5% Synonym: Calomel, Mercurous chloride CAS Number 10112-91-1. Also known as the mineral calomel[3] (a rare mineral) or mercurous chloride, this dense white or yellowish-white, odorless solid is the principal example of a mercury(I) compound. Synonym: 3,6-Didodecyloxy-4,5-dimethyl-o-phenylene-bis(mercury chloride), ETH 9033 Empirical Formula (Hill Notation): C 32 H 56 Cl 2 Hg 2 O 2 Molecular Weight: 944.87 Help . A war of words erupted in the press concerning the best treatment for yellow fever: bleeding; or calomel. Its chemical formula is Hg2Cl2. Viele übersetzte Beispielsätze mit "mercury chloride" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. Structure, properties, spectra, suppliers and links for: Mercury(I) chloride, calomel, 10112-91-1, Hg2Cl2. Mercury(I) bromide, Hg2Br2, is light yellow, whereas mercury(I) iodide, Hg2I2, is greenish in colour. Mercurous Chloride is a simple mercury salt with the form of Hg2Cl2. Mercury(II) chloride, HgCl 2 (also called bichloride of mercury or corrosive sublimate), is perhaps the commonest bivalent compound. Mercury(I) chloride is the chemical compound with the formula Hg 2 Cl 2.Also known as calomel or mercurous chloride, this dense white or yellowish-white, odorless solid is the principal example of a mercury(I) compound. This white crystalline solid is a laboratory reagent and a molecular compound. Eigenschaften. a) CALOMEL. The formation of Hg can be used to calculate the number of photons in the light beam, by the technique of actinometry. [10] The overall coordination of each Hg atom is octahedral as, in addition to the two nearest neighbours, there are four other Cl atoms at 321 pm. New Window. New Window. See more. The different forms mercury exists in (such as elemental mercury vapour, methylmercury or mercuric chloride) are commonly designated "species". The main application of mercuric chloride is as a catalyst for the conversion of acetylene to vinyl chloride, the precursor to polyvinylchloride: Calomel was also a common ingredient in teething powders in Britain up until 1954, causing widespread mercury poisoning in the form of pink disease, which at the time had a mortality rate of 1 in 10. The reaction described herin was thought to produce Mercuric Chloride (HgCl2) instead, which is used for making amalgams. PubChem Substance ID 329752372 Noch seltener findet man sehr kleine reine Quecksilber (I)-chlorid-Kristalle in Drusen. Mercuric chloride is not a salt but a linear triatomic molecule, hence its tendency to sublime. 2025. Mercuric chloride was used to disinfect wounds by Arab physicians in the Middle Ages but modern medicine has since deemed it unsafe for use. According to the harmonised classification and labelling (ATP01) approved by the European Union, this substance is fatal if swallowed, causes severe skin burns and eye damage, causes damage to organs through prolonged or repeated exposure, is very toxic to aquatic life, is very toxic to aquatic life with long lasting effects, is suspected of causing genetic defects and is suspected of damaging fertility. Title; Safety Data Sheet (SDS) Mercury(II) chloride Certificates of Analysis. Other electrodes can vary by 70 to 100 millivolts. Prop 65 - Developmental toxicity, male Substance is not listed. it was also used as a horticultural fungicide, most notably as a root dip to help prevent the occurrence of clubroot amongst crops of the family Brassicaceae. [10112-91-1] EG-Nr. [3], Calomel was taken internally and used as a laxative,[3] for example to treat George III in 1801, and disinfectant, as well as in the treatment of syphilis, until the early 20th century. ›› Convert another chemical substance. The Mercury (1) ion is a lot larger than the Chloride ion. Mercury (I) chloride Mercury (I) chloride is the chemical compound with the formula Hg 2 Cl 2. Status Art. No. It is a component of reference electrodes in electrochemistry. In agriculture it is used as a fungicide; in medicine it is sometimes employed as a topical antiseptic in concentrations… Hazardous Substances Data Bank (HSDB) 9.9.5 Shipment Methods and Regulations. Mercuric chloride was used to disinfect wounds by Arab physicians in the Middle Ages but modern medicine has since deemed it unsafe for use. Muttaiya Sundaralingam. Mercury(I)-chloride: passes test: Fe (Iron) ≤ 0.002 %: Residue after reduction ≤ 0.02 %: Loss on drying (24 h im Vakuum) ≤ 1.0 %: Correspons to Reag. Ammonia causes Hg2Cl2 to disproportionate: Mercurous chloride is employed extensively in electrochemistry, taking advantage of the ease of its oxidation and reduction reactions. Although the mercury electrodes have been widely abandoned due to the dangerous nature of mercury, many chemists believe they are still more accurate and are not dangerous as long as they are handled properly. Show more Show less Danger H301-H312-H315-H319-H335-H410. Home. Mercury chloride (HgCl2) is a highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. Mercury(I) Ion: Hg₂²⁺ Chloride Ion; Aqueous Ammonia; Sodium Hydroxide; Reducing Agents; No Reaction; Mercury(II) Ion: Hg²⁺ Chloride Ion; Aqueous Ammonia; Sodium Hydroxide; Hydrogen Sulfide; Tin(II) Chloride; No Reaction; Most common oxidation states: +1, +2; M.P. Mercury(II) Chloride. Mercury(I) chloride. [14], Except where otherwise noted, data are given for materials in their, "Mercury compounds [except (organo) alkyls] (as Hg)", National Institute for Occupational Safety and Health, "Archaeologists Tracked Lewis and Clark by Following Their Trail of Laxatives", "Commission Directive 86/199/EEC, OJ L 149, p. 38 of 3.6.1986", "DMPS (2,3-Dimercaptopropane-1-sulfonate, Dimaval) Decreases the Body Burden of Mercury in Humans Exposed to Mercurous Chloride", Journal of Pharmacology and Experimental Therapy, National Pollutant Inventory - Mercury and compounds Fact Sheet, https://en.wikipedia.org/w/index.php?title=Mercury(I)_chloride&oldid=1003802330, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, All articles with vague or ambiguous time, Vague or ambiguous time from February 2018, Articles with unsourced statements from February 2018, Articles with unsourced statements from February 2011, Creative Commons Attribution-ShareAlike License, This page was last edited on 30 January 2021, at 19:26. Medical Definition of mercuric chloride : a heavy crystalline poisonous compound HgCl2 used as a disinfectant and fungicide and in photography — called also bichloride, bichloride of mercury, corrosive sublimate, mercury … Kit Includes: 3 x 25g Mercury (II) Chloride 3 x 25g Potassium Iodide 1 x 15g Silver Nitrate 2 x 25g Copper (II) Chloride, Anhydrous DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic… Over the past 50 years, it has been superseded by the silver/silver chloride (Ag/AgCl) electrode. The calomel electrode is a reference electrode, especially in older publications. It is a weak reducing agent. How can I use Mercury Chloride to sterilize the plant leaves and roots ? Pack Qty. Mercury chloride (HgCl2) is a highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. -38.87º; B.P. Molecular Weight 472.09 . Medical dictionary. Mercury(I) chloride ≥99,5 %, p.a., ACS Calomel, Dimercury dichloride, Mercurous chloride. ; John A. Carrabine. Because of the size of the ions the crystal structure dictates that there must be two Mercury ions and two Chloride ions to have the ions as close as they can together with the minimum amount of energy used. Molecular weight calculation: 200.59*2 + 35.453*2 ›› Percent composition by element. Hazardous Substances Data Bank (HSDB) 9.9.4 Standard Transportation Number. It is a component of reference electrodes in electrochemistry. 49 232 42; Mercuric ammonium chloride, solid. Show Navigation Hide Navigation Mercury binding to nucleic acids. How much the safe concentration I can use ? 10112-91-1 Mercury(I) chloride Prop 65 - Developmental toxicity, female Substance is not listed. The differences in experimental potentials vary little from literature values. No person may /transport,/ offer or accept a hazardous material for transportation in commerce unless that … It is a component of reference electrodes in electrochemistry. [12] These medicinal uses were later discontinued when the compound's toxicity was discovered. Advanced Search | Structure Search. Mercury(II) amidochloride. Mercury(II) chloride or mercuric chloride (historically "corrosive sublimate") is the chemical compound of mercury and chlorine with the formula HgCl 2.It is white crystalline solid and is a laboratory reagent and a molecular compound that is very toxic to humans. Mercurous chloride is toxic, although due to its low solubility in water it is generally less dangerous than its mercuric chloride counterpart.
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