Skip to Content
MilliporeSigma
All Photos(1)

Documents

63138

Sigma-Aldrich

Magnesium sulfate heptahydrate

BioUltra, ≥99.5% (KT)

Synonym(s):

Epsom salts

Sign Into View Organizational & Contract Pricing
All Photos(1)

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:
57651928
NACRES:
NA.26

vapor density

<0.01 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

product line

BioUltra

Assay

≥99.5% (KT)

impurities

insoluble matter, passes filter test
≤0.002% total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤1 mg/kg
K: ≤10 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.010
λ: 280 nm Amax: 0.010

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application


  • Research on the Working Performance and the Corresponding Mechanical Strength of Polyaluminum Sulfate Early Strength Alkali-Free Liquid Accelerator Matrix Cement.: This research investigates the applications of magnesium sulfate heptahydrate in improving the performance and mechanical strength of cement used in construction (Wang et al., 2022).

Other Notes

Component of Earle′s balanced salt solution; Component of Hanks′ balanced salt solution; Component of plant cell-culture media and of culture media for microorganisms.; Purification of CAP, catabolite gene activator; In the preparation of spheroplasts from E. coli K38

Storage Class Code

11 - 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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

M. Takanam
Methods in Enzymology, 65, 24-24 (1980)
W.R. Earle et al.
Journal of the National Cancer Institute, 4, 165-165 (1943)
G. Zubay
Methods in Enzymology, 65, 861-861 (1980)
Relation of oxygen and temperature in the preservation of tissues by refrigeration.
J H HANKS et al.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 71(2), 196-200 (1949-06-01)
Samuel Thompson et al.
eLife, 9 (2020-07-24)
Protein mutational landscapes are shaped by the cellular environment, but key factors and their quantitative effects are often unknown. Here we show that Lon, a quality control protease naturally absent in common E. coli expression strains, drastically reshapes the mutational
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service