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M2773

Sigma-Aldrich

Magnesium sulfate heptahydrate

BioReagent, for molecular biology, suitable for plant cell culture, ≥99.0%

Synonym(s):

Epsom salts

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About This Item

Linear Formula:
MgSO4 · 7H2O
CAS Number:
10034-99-8
Molecular Weight:
246.47
EC Number:
231-298-2
MDL number:
MFCD00149785
UNSPSC Code:
12352302
eCl@ss:
38030409
PubChem Substance ID:
24896765
NACRES:
NA.31

grade

for molecular biology

Quality Level

200

vapor density

<0.01 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

product line

BioReagent

Assay

≥99.0%

technique(s)

cell culture | plant: suitable

anion traces

chloride (Cl-): ≤5 ppm

cation traces

K: ≤50 ppm
Na: ≤50 ppm
heavy metals (as Pb): ≤5 ppm

foreign activity

DNase, RNase and protease, none detected

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 have anti-convulsant, anti-inflammatory and vasodilatory properties. Magnesium sulfate relaxes smooth muscles. In acute asthma patient, both intravenous and nebulization of magnesium sulfate as an additive improves pulmonary function. Magnesium sulfate reduces preterm labor in high risk pregnant women. Magnesium sulfate heptahydrate serves as a source of Mg2+ ions in plant tissue culture medium, and protoplast culture medium.

Application

Magnesium sulfate heptahydrate has been used:
  • in the preparation of Scott′s tap water substitute as a bluing reagent for nuclear staining
  • as a component of stabilization solution for the isolation of pituitary cells for matrix-assisted laser desorption/ionization mass spectroscopy (MALDI-MS)
  • as an additive in the preparation of artificial sea water for the maintenance of Aplysia californica and in modified Gey′s balanced salt solution

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Embedding, serial sectioning and staining of zebrafish embryos using JB-4 resin
Sullivan-Brown J, et al.
Nature Protocols, 6(1), 46-46 (2011)
Getting started with tissue culture-Media preparation, sterile technique and laboratory equipment
Plant Tissue Culture, Development, and Biotechnology, 15-15 (2016)
Characterizing peptides in individual mammalian cells using mass spectrometry
Rubakhin SS and Sweedler JV
Nature Protocols, 2(8), 1987-1987 (2007)
Protoplast isolation, culture and somatic hybridization
Plant Tissue Culture: Theory and Techniques (2016)
Qualitative and quantitative metabolomic investigation of single neurons by capillary electrophoresis electrospray ionization mass spectrometry
Nemes, Peter and Rubakhin, Stanislav S and Aerts, Jordan T and Sweedler, Jonathan V
Nature Protocols, 8(4), 783-783 (2013)
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