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Magnesium iodide information


Magnesium iodide
Names
IUPAC name
Magnesium iodide
Identifiers
CAS Number
  • 10377-58-9 (anhydrous) checkY
  • 75535-11-4 (hexahydrate) ☒N
  • 7790-31-0 (octahydrate) checkY
3D model (JSmol)
  • Interactive image
  • Interactive image
ChemSpider
  • 59700 ☒N
ECHA InfoCard 100.030.738 Edit this at Wikidata
EC Number
  • 233-825-1
PubChem CID
  • 66322
UNII
  • W74QE3H320 (anhydrous) checkY
  • 72I5H6SWMT (octahydrate) checkY
CompTox Dashboard (EPA)
  • DTXSID6065056 Edit this at Wikidata
InChI
  • InChI=1S/2HI.Mg/h2*1H;/q;;+2/p-2 ☒N
    Key: BLQJIBCZHWBKSL-UHFFFAOYSA-L ☒N
  • InChI=1/2HI.Mg/h2*1H;/q;;+2/p-2
    Key: BLQJIBCZHWBKSL-NUQVWONBAV
SMILES
  • I[Mg]I
  • [Mg+2].[I-].[I-]
Properties
Chemical formula
  • MgI2 (anhydrous)
  • MgI2·6H2O (hexahydrate)
  • MgI2·8H2O (octahydrate)[1]
Molar mass
  • 278.1139 g/mol (anhydrous)
  • 386.2005 g/mol (hexahydrate)
  • 422.236 g/mol (octahydrate)
Appearance white crystalline solid
Odor odorless
Density
  • 4.43 g/cm3 (anhydrous solid)
  • 2.353 g/cm3 (hexahydrate solid)
  • 2.098 g/cm3 (octahydrate solid)
Melting point 637 °C (1,179 °F; 910 K) (anhydrous, decomposes)
41 °C (octahydrate, decomposes)
Solubility in water
  • 54.7 g/(100 cm3) (anhydrous, 0 °C)
  • 148 g/(100 cm3) (anhydrous, 18 °C)[2]
  • 81 g/(100 cm3) (octahydrate, 20 °C)
Solubility soluble in ether, alcohol and ammonia
Magnetic susceptibility (χ)
 −111.0·10−6 cm3/mol
Structure
Crystal structure
  • Hexagonal (anhydrous)
  • Monoclinic (hexahydrate)
  • Orthorhombic (octahydrate)
Thermochemistry
Heat capacity (C)
 74 J/(mol·K)
Std molar
entropy (S⦵298)
 134 J/(mol·K)
Std enthalpy of
formation (ΔfH⦵298)
 −364 kJ/mol
Hazards
GHS labelling:
Pictograms
 GHS07: Exclamation mark
Signal word
 Warning
Hazard statements
 H315, H319
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazard COR: Corrosive; strong acid or base. E.g. sulfuric acid, potassium hydroxide
3
1
1
COR
Related compounds
Other anions
  • Magnesium fluoride
  • Magnesium bromide
  • Magnesium chloride
Other cations
  • Beryllium iodide
  • Calcium iodide
  • Strontium iodide
  • Barium iodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Magnesium iodide is an inorganic compound with the chemical formula MgI2. It forms various hydrates MgI2·xH2O. Magnesium iodide is a salt of magnesium and hydrogen iodide. These salts are typical ionic halides, being highly soluble in water.

  1. ^ Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 240, ISBN 0-8493-8671-3, retrieved 2007-12-09
  2. ^ Magnesium Iodide MSDS at AlfaAesar[permanent dead link]

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Magnesium iodide

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Magnesium iodide is an inorganic compound with the chemical formula MgI2. It forms various hydrates MgI2·xH2O. Magnesium iodide is a salt of magnesium...

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Methylmagnesium chloride

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the more commonly encountered methylmagnesium bromide and methylmagnesium iodide, methylmagnesium chloride offers the advantages of low equivalent weight...

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Magnesium compounds

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Magnesium hydride was first prepared in 1951 by the reaction between hydrogen and magnesium under high temperature, pressure and magnesium iodide as...

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Magnesium chloride

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Magnesium chloride is an inorganic compound with the formula MgCl2. It forms hydrates MgCl2·nH2O, where n can range from 1 to 12. These salts are colorless...

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List of inorganic compounds

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hydroxide – Mg(OH)2 Magnesium hypochlorite – Mg(OCl)2 Magnesium iodide – MgI2 Magnesium molybdate – MgMoO4 Magnesium nitrate – Mg(NO3)2 Magnesium oxalate – MgC2O4...

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Magnesium bromide

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Magnesium bromide is a chemical compound of magnesium and bromine, with the chemical formula MgBr2. It is white and deliquescent crystalline solid. It...

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Calcium iodide

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Calcium iodide (chemical formula CaI2) is the ionic compound of calcium and iodine. This colourless deliquescent solid is a salt that is highly soluble...

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Magnesium fluoride

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Magnesium fluoride is an ionically bonded inorganic compound with the formula MgF2. The compound is a white crystalline salt and is transparent over a...

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Demethylation

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adjacent carbonyl group, can be regioselectively demethylated using magnesium iodide etherate. An example of this being used is in the synthesis of the...

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Barium iodide

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Barium iodide is an inorganic compound with the formula BaI2. The compound exists as an anhydrous and a hydrate (BaI2(H2O)2), both of which are white solids...

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Sodium iodide

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Sodium iodide (chemical formula NaI) is an ionic compound formed from the chemical reaction of sodium metal and iodine. Under standard conditions, it is...

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Dishwasher salt

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to clogging or may contain magnesium. Table salt may contain added iodine in the form of sodium iodide or potassium iodide. These compounds will not affect...

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Beryllium iodide

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Beryllium iodide is the inorganic compound with the formula BeI2. It is a hygroscopic white solid. Beryllium iodide can be prepared by reacting beryllium...

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List of CAS numbers by chemical compound

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MgF2 magnesium fluoride 7783–40–6 MgH2 magnesium hydride 7693–27–8 MgI2 magnesium iodide 10377–58–9 Mg(NO3)2 magnesium nitrate 10377–60–3 MgO magnesium oxide...

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Solubility table

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S T U V W X Y Z "Cerium (III) Acetate" (PDF). Retrieved 2019-09-28. "Magnesium Sulfite" (PDF). srdata.nist.gov. Retrieved 2018-12-21. Patnaik, Pradyot...

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Strontium iodide

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Strontium iodide (SrI2) is a salt of strontium and iodine. It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute...

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chloride, copper(I) iodide, copper(I) thiocyanate, manganese dioxide and air (oxygen). For example, a water-activated silver chloride/magnesium reserve battery...

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Iodine

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Ιώδης, meaning 'violet'. Iodine occurs in many oxidation states, including iodide (I−), iodate (IO− 3), and the various periodate anions. As the heaviest...

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Iodobenzene

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Iodobenzene reacts readily with magnesium to form the Grignard reagent, phenylmagnesium iodide. Phenylmagnesium iodide, like the bromide analog, is a synthetic...

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Vinyl iodide functional group

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vinyl iodide with electron withdrawing group can enhance rate of exchange(see Scheme 1b). Also addition of lithium chloride helps enhance magnesium-halogen...

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Glossary of chemical formulae

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1333-88-6 Al2F6 aluminium fluoride 17949-86-9 Al2I6 aluminium iodide 18898-35-6 Al2MgO4 magnesium aluminium oxide 12068-51-8 Al2O dialuminium monoxide 12004-36-3...

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Aryl halide

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reactive aryl chlorides and bromides. Aryl iodides can be prepared by treating diazonium salts with iodide salts. Electron-rich arenes such as anilines...

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Victor Grignard

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to isolate the intermediate. He had heated a mixture of magnesium turnings and isobutyl iodide and added dry ethyl ether to the mixture, observing the...

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Trimethylborane

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trimethylaluminium, or adding boron trifluoride in ether to methyl magnesium iodide. Trimethylborane spontaneously ignites in air if the concentration...

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Iodide hydride

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atoms, encased in a shell of iodide. Jones, Cameron; Stasch, Andreas (2013), Harder, Sjoerd (ed.), "Stable Molecular Magnesium(I) Dimers: A Fundamentally...

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Grignard reagent

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magnesium to the organic halide. Mechanical methods include crushing of the Mg pieces in situ, rapid stirring, and sonication. Iodine, methyl iodide,...

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