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13152

Sigma-Aldrich

Magnesium chloride hexahydrate

puriss., meets analytical specification of Ph. Eur., BP, FCC, E511, 99-101%, ≤0.0001% Al

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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:
12352302
PubChem Substance ID:
329750027
NACRES:
NA.21

grade

puriss.

Quality Level

200

assay

99-101%

form

solid

quality

meets analytical specification of Ph. Eur., BP, FCC, E511

impurities

acidity or alkalinity, complies
 residual solvents, complies
≤0.0001% Al
≤0.005% ammonium (NH4)
≤0.01% free alkali (as MgO)
≤0.02% free acid (as HCl)
51.0-55.0% water (Karl Fischer)

anion traces

bromide (Br-): ≤500 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤2 mg/kg
Ba: ≤20 mg/kg
Ca: ≤1000 mg/kg
Cu: ≤10 mg/kg
Fe: ≤5 mg/kg
K: ≤500 mg/kg
Na: ≤5000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

suitability

complies for appearance of solution

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 has been tested as a potential phase change material (PCM) for use in cooking indoors and during the low intensity solar radiation periods. 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, via Biginelli condensation of aldehyde, 1,3-dicarbonyl compound and urea.

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Study of magnesium chloride hexahydrate as heat storage material.
Pilar R, et al.
Thermochimica Acta, 546, 81-86 (2012)
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)
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)
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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