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237175

Sigma-Aldrich

Magnesium nitrate hexahydrate

ACS reagent, 99%

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About This Item

Formula condensata:
Mg(NO3)2 · 6H2O
Numero CAS:
13446-18-9
Peso molecolare:
256.41
Numero CE:
233-826-7
Numero MDL:
MFCD00149779
Codice UNSPSC:
12352302
ID PubChem:
329752449
NACRES:
NA.21

Grado

ACS reagent

Densità del vapore

6 (vs air)

Saggio

98.0-102.0% (ACS specification)
99%

Forma fisica

solid

pH

5.0-8.2 (25 °C, 5%)

Punto di fusione

89 °C (dec.) (lit.)

Anioni in tracce

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.005%

Cationi in tracce

Ba: ≤0.005%
Ca: ≤0.01%
Fe: ≤5 ppm
K: ≤0.005%
Mn: ≤5 ppm
NH4+: ≤0.003%
Na: ≤0.005%
Sr: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)

Stringa SMILE

O.O.O.O.O.O.[Mg++].[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Mg.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;;
MFUVDXOKPBAHMC-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Magnesium nitrate hexahydrate is a hydrated magnesium salt. A mixture of magnesium nitrate hexahydrate and magnesium chloride hexahydrate has been reported as a potential phase change material (PCM) for the storage of latent thermal energy.

Applicazioni

Magnesium nitrate hexahydrate can be used:
  • In the synthesis of magnesium oxide (MgO) nanopowder by thermal plasma method.
  • As a starting material in the synthesis of magnesium nitrate – alumina composite [(1-x) Mg (NO3)2 – xAl2O3] via sol-gel method.
  • As a starting material for the synthesis of Mg-Al spinel precursors, required for the preparation of magnesium aluminate spinel (MgAl2O4) powder.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Certificati d'analisi (COA)

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ChemSusChem, 12(12), 2810-2818 (2019-04-10)
Although MgO-Al2 O3 is well known as having a spinel structure, the inversion of which occurs by exchange of the trivalent (Al3+ ) and divalent (Mg2+ ) cations, little analytical study of the degree of inversion has been carried out.
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The development of carbon dioxide (CO2) sorbents that can operate at elevated temperatures is significant for the advancement of pre-combustion capture technologies. Recently, promoter-based systems composed of alkali/alkaline earth metal nitrates and/or carbonates have been considered as next-generation solid sorbents
Cell dimensions and space group of magnesium nitrate hexahydrate.
Mozzi RL and Bekebrede WR.
Acta Crystallographica, 14(12), 1296-1297 (1961)
Performance of heat charge/discharge of magnesium nitrate hexahydrate and magnesium chloride hexahydrate mixture to a single vertical tube for a latent heat storage system.
Nagano K, et al.
Applied Thermal Engineering, 24(2), 209-220 (2004)
A wet-chemical process yielding reactive magnesium aluminate spinel (MgAl2O4) powder.
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