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Merck
CN

940518

硫酸镁 七水合物

greener alternative

≥99.9% trace metals basis

别名:

泻盐

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线性分子式:
MgSO4 · 7H2O
化学文摘社编号:
分子量:
246.47
UNSPSC Code:
12141502
MDL number:
NACRES:
NA.22
Assay:
≥98% (EDTA titration)
≥99.9% trace metals basis
Form:
powder or crystals
Solubility:
water: soluble
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产品名称

硫酸镁 七水合物, ≥99.9% trace metals basis

InChI key

WRUGWIBCXHJTDG-UHFFFAOYSA-L

InChI

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

SMILES string

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

vapor density

<0.01 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

type

(High purity Salts)

assay

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

form

powder or crystals

greener alternative product characteristics

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

sustainability

Greener Alternative Product

color

white to off-white

solubility

water: soluble

anion traces

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

cation traces

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

greener alternative category

storage temp.

room temp

Quality Level

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Application

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.[,]

General description

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.

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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分析证书(COA)

Lot/Batch Number

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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)
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)
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)

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