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Magnesium iodide

Magnesium iodide
Names
IUPAC name
Magnesium iodide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.738 Edit this at Wikidata
EC Number
  • 233-825-1
UNII
  • 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
  • I[Mg]I
  • [Mg+2].[I-].[I-]
Properties
  • 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)
  • 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
−111.0·10−6 cm3/mol
Structure
Thermochemistry
74 J/(mol·K)
134 J/(mol·K)
−364 kJ/mol
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
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
Other cations
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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 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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يوديد المغنيسيوم Arabic منیزیوم یودیود AZB ম্যাগনেসিয়াম আয়োডাইড Bengali/Bangla Iodur de magnesi Catalan Jodid hořečnatý Czech Magnesiumiodid German Magnezia jodido EO منیزیم یدید FA Magnesiumjodidi Finnish Iodure de magnésium French

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