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Documenti fondamentali

940518

Sigma-Aldrich

Solfato di magnesio eptaidrato

new
greener alternative

≥99.9% trace metals basis

Sinonimo/i:

Sali di Epsom

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About This Item

Formula condensata:
MgSO4 · 7H2O
Numero CAS:
Peso molecolare:
246.47
Numero MDL:
Codice UNSPSC:
12141502

Densità del vapore

<0.01 (vs air)

Livello qualitativo

Tensione di vapore

<0.1 mmHg ( 20 °C)

Tipo

(High purity Salts)

Saggio

≥98% (EDTA titration)
≥99.9% trace metals basis

Stato

powder or crystals

Caratteristiche più verdi

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Colore

white to off-white

Solubilità

water: soluble

Anioni in tracce

chloride (Cl-): ≤20 ppm
nitrate (NO3-): ≤50 ppm

Cationi in tracce

Al: ≤10 ppm
Ca: ≤10 ppm
Cd: ≤10 ppm
Cr: ≤10 ppm
Fe: ≤10 ppm
K: ≤10 ppm
Na: ≤30 ppm
Ni: ≤10 ppm
Pb: ≤10 ppm
Si: ≤10 ppm
Zn: ≤10 ppm

Categoria alternativa più verde

Temperatura di conservazione

room temp

Stringa SMILE

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

InChI

1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
WRUGWIBCXHJTDG-UHFFFAOYSA-L

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Descrizione generale

Magnesium Sulfate heptahydrate, commonly known as Epsom salt, is a white crystalline solid. It is highly soluble in water, forming a solution that is commonly used in various applications such as bath salts, fertilizers, and as a component in certain medical treatments. However, it is insoluble in ethanol. It is the source of Magnesium and sulfur.
We are committed to bringing you Greener Alternative Products, which belongs to one of the four categories of greener alternatives. Magnesium sulfate heptahydrate is an eco-friendly composite sorbent in macro cellular foams for thermo-chemical energy storage in solar buildings. Its high latent heat capacity and non-toxic properties enhance energy efficiency, promote renewable energy use, and support sustainable building practices. Click here for more information.

Applicazioni

Magnesium Sulfate heptahydrate is found as a salt of high energy storage and sorption capacity. It was embedded in the polymeric matrix to form a foam for energy storage which prevents issue of swelling, agglomeration, and/or deliquescence of the salt during its de/hydration process. [,] Researchers are developing new adsorbents for removing toxic dyes from wastewater using Magnesium Sulfate heptahydrate. It is essential for creating porous MgAl-layered double hydroxide (LDH)/carbon fiber composites and MgFe2O4/γ-Fe2O3 magnetic microspheres. These composites effectively adsorb Congo red dye through a combination of biotemplating and pollen template.[,]

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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MgSO4?7H2O filled macro cellular foams: An innovative composite sorbent for thermo-chemical energy storage applications for solar buildings Author links open overlay panel
Brancato V, et al.
Solar Energy, 173 , 1278-1286 (2018)
Water Transport in MgSO4?7H2O During Dehydration in View of Thermal Storage
P. A. J. Donkers, et al.
The Journal of Physical Chemistry C, 119 (2015)
A hierarchically porous MgFe2O4/?-Fe2O3 magnetic microspheres for efficient removals of dye and pharmaceutical from water
Lu L, et al.
Chemical Engineering Journal, 283, 524-534 (2016)
Biotemplated Fabrication of 3D Hierarchically Porous MgAl-LDH/CF Composites with Effective Adsorption of Organic Dyes from Wastewater
Sun Q, et al.
Industrial & Engineering Chemistry Research, 59(38), 16838?16850-16838?16850 (2020)

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