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Merck
CN

940518

Sigma-Aldrich

硫酸镁 七水合物

new

≥99.9% trace metals basis

别名:

泻盐

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About This Item

线性分子式:
MgSO4 · 7H2O
CAS号:
分子量:
246.47
MDL编号:
UNSPSC代码:
12141502
方案:
≥98% (EDTA titration)
≥99.9% trace metals basis
表单:
powder or crystals
溶解性:
water: soluble

蒸汽密度

<0.01 (vs air)

质量水平

蒸汽压

<0.1 mmHg ( 20 °C)

类型

(High purity Salts)

方案

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

表单

powder or crystals

颜色

white to off-white

溶解性

water: soluble

痕量阴离子

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

痕量阳离子

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

储存温度

room temp

SMILES字符串

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

InChI key

WRUGWIBCXHJTDG-UHFFFAOYSA-L

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一般描述

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.

应用

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.[,]

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

新产品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

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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