930970
Magnesium chloride hexahydrate
99.9% trace metals basis
Synonym(s):
Magnesium dichloride hexahydrate
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About This Item
Linear Formula:
MgCl2 · 6H2O
CAS Number:
Molecular Weight:
203.30
MDL number:
UNSPSC Code:
12352302
NACRES:
NA.21
Assay:
99.9% trace metals basis
Form:
powder, crystals or chunks
Solubility:
acetone: slightly soluble
alcohols: slightly soluble
water: soluble (highly soluble)
alcohols: slightly soluble
water: soluble (highly soluble)
Quality Level
Assay
99.9% trace metals basis
form
powder, crystals or chunks
reaction suitability
core: magnesium
mp
117 °C
solubility
acetone: slightly soluble
alcohols: slightly soluble
water: soluble (highly soluble)
SMILES string
O.O.O.O.O.O.Cl[Mg]Cl
InChI
1S/2ClH.Mg.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
InChI key
DHRRIBDTHFBPNG-UHFFFAOYSA-L
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General description
Magnesium chloride hexahydrate is a colorless salt. The salt is soluble in water and slightly soluble in ethanol, acetone, and pyridine. Chemically, magnesium chloride is a weak Lewis acid.
Magnesium chloride is extracted from naturally occurring brine, for example by solar evaporation of sea water, and purified by solution chemistries.
Magnesium chloride is extracted from naturally occurring brine, for example by solar evaporation of sea water, and purified by solution chemistries.
Application
Magnesium chloride is used as a source of the divalent magnesium ion, often to control zeta potential and ionic strength. Commonly, magnesium chloride is used in water desalination experiments, particularly research investigating nanofiltration membranes. In addition, researchers have used magnesium chloride to alter the stability of colloidal suspensions, for example driving the coagulation of graphene oxide. Magnesium chloride has also been used to control the interlayer spacing of graphene-oxide membranes
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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Ion sieving in graphene oxide membranes via cationic control of interlayer spacing.
Chen, L., et al.
Bio/technology (Nature Publishing Company), 550, 380?383-380?383 (2017)
Aggregation and Stability of Reduced Graphene Oxide: Complex Roles of Divalent Cations, pH, and Natural Organic Matter
Chowdhury, I., et al.
Environmental Science & Technology, 49, 10886-10893 (2015)
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