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M5921

Sigma-Aldrich

Magnesium sulfate heptahydrate

BioXtra, ≥99.0%

Synonym(s):

Epsom salts

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About This Item

Linear Formula:
MgSO4 · 7H2O
CAS Number:
Molecular Weight:
246.47
EC Number:
MDL number:
UNSPSC Code:
12161700
eCl@ss:
38030409
PubChem Substance ID:
NACRES:
NA.25

vapor density

<0.01 (vs air)

Quality Level

vapor pressure

<0.1 mmHg ( 20 °C)

product line

BioXtra

assay

≥99.0%

impurities

≤0.0005% Phosphorus (P)
≤0.005% Insoluble matter

solubility

H2O: 1 M, clear, colorless

cation traces

Al: ≤0.0005%
Ca: ≤0.01%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mn: ≤0.0005%
NH4+: ≤0.002%
Na: ≤0.005%
Pb: ≤0.0005%
Sr: ≤0.005%
Zn: ≤0.0005%

SMILES string

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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General description

Magnesium sulfate heptahydrate is hydroscopic and is vulnerable to warm temperatures.

Application

Magnesium sulfate heptahydrate has been used:
  • as a component in Kreb′s Ringer buffer
  • as a component in minimal medium to culture Ralstonia solanacearum
  • in the preparation of maceration solution for Lamb′s lettuce cell isolation and isotonic glucose buffer

Biochem/physiol Actions

Magnesium sulfate heptahydrate is used as a source of magnesium in foliar application of fertilizers to plants.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Magnesium at Home: 25 Most Common Health Conditions & How Magnesium Salts Can Help, 27-27 (2018)
Comprehensive analysis of mitochondrial permeability transition pore activity in living cells using fluorescence-imaging-based techniques
Bonora M, et al.
Nature Protocols, 11(6), 1067-1067 (2016)
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