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Merck
CN

31413

Sigma-Aldrich

Magnesium chloride hexahydrate

puriss. p.a., ACS reagent, reag. ISO, ≥99%

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About This Item

Linear Formula:
MgCl2 · 6H2O
CAS Number:
7791-18-6
Molecular Weight:
203.30
EC Number:
232-094-6
MDL number:
MFCD00149781
UNSPSC Code:
12352300
PubChem Substance ID:
24858943

Key Documents

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grade

ACS reagent
puriss. p.a.

Agency

reag. ISO

Assay

≥99%

impurities

≤0.0005% heavy metals (as Pb)
≤0.001% ammonium (NH4)
≤0.005% in water insoluble matters

pH

5-6.5 (20 °C, 5%)

anion traces

nitrate (NO3-): ≤10 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Ba: ≤20 mg/kg
Ca: ≤100 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤10 mg/kg
Mn: ≤5 mg/kg
Na: ≤10 mg/kg
Sr: ≤20 mg/kg
Zn: ≤10 mg/kg

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, crystalline solid. On heating, it loses water of crystallization and affords magnesium oxide. It is a promising phase change material (PCM). Due to its suitable thermo-physical properties, it can be used as storage media in solar cookers. Its flame retardancy action on 100% woven cotton fabric has been investigated. Its heat capacity has been evaluated.

Application

Magnesium chloride hexahydrate may be employed as a catalyst for the synthesis of 3,4-dihydropyrimidin-2-(1H)-one by Biginelli condensation reaction.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SZBD1500
SZBC2370
SZBC2070V
SZB91950V
SZB91950

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Study of magnesium chloride hexahydrate as heat storage material.
Pilar R, et al.
Thermochimica Acta, 546, 81-86 (2012)
One thousand thermal cycles of magnesium chloride hexahydrate as a promising PCM for indoor solar cooking.
El-Sebaii AA, et al.
Energy Conversion and Management , 52(4), 1771-1777 (2011)
Thermal decomposition pathway of a cellulosic fabric impregnated by magnesium chloride hexahydrate as a flame-retardant.
Mostashari SM and Moafi HF.
Journal of Thermal Analysis and Calorimetry, 93(2), 589-594 (2008)
Magnesium Chloride Hexahydrate Catalyzed One-Pot Synthesis of 3, 4-Dihydropyrimidin-2-(1 H) ones Under Solvent-Free Conditions.
Zhang GL and Cai XH.
Synthetic Communications, 35(6), 829-833 (2005)
Liang Yang et al.
International journal of pharmaceutics, 471(1-2), 258-263 (2014-05-20)
Telmisartan (TEL) belongs to BCS class II (low solubility/high permeability) and exhibits the pH-dependent drug release. Since 3-aminopropyl functionalized magnesium phyllosilicate (aminoclay) can intercalate or adsorb the negatively charged molecules via the electrostatic interaction, TEL-aminoclay complex was synthesized to improve
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