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63136

Sigma-Aldrich

Magnesium sulfate

puriss. p.a., drying agent, anhydrous, ≥98.0% (KT), powder (very fine)

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Empirical Formula (Hill Notation):
MgSO4
CAS Number:
Molecular Weight:
120.37
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

drying agent
puriss. p.a.

vapor density

<0.01 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

assay

≥98.0% (KT)

form

powder (very fine)

loss

≤2% loss on ignition, 600 °C

pH

~7.9 (25 °C, 50 g/L)

anion traces

chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤40 mg/kg

cation traces

Al: ≤20 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤400 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mn: ≤20 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤20 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

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

InChI

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

InChI key

CSNNHWWHGAXBCP-UHFFFAOYSA-L

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1 of 4

This Item
M7506793612208094
vibrant-m

63136

Magnesium sulfate

-
vibrant-m

M7506

Magnesium sulfate

-
vibrant-m

793612

Magnesium sulfate

-
vibrant-m

208094

Magnesium sulfate

Essential Grade
form

powder (very fine)

form

powder

form

powder or granules

form

granular

assay

≥98.0% (KT)

assay

≥99.5%

assay

≥97%

assay

≥97%

grade

drying agent, puriss. p.a.

grade

anhydrous

grade

anhydrous, reagent grade

grade

anhydrous, reagent grade

pH

~7.9 (25 °C, 50 g/L)

pH

~7.9 (25 °C, 50 g/L)

pH

-

pH

~7.9 (25 °C, 50 g/L)

anion traces

chloride (Cl-): ≤50 mg/kg, nitrate (NO3-): ≤40 mg/kg

anion traces

-

anion traces

-

anion traces

-

General description

Magnesium sulfate is an anhydrous magnesium salt.

Application

Anhydrous magnesium sulfate can be used as a drying agent in organic synthesis. Due to its high affinity towards water molecules, it removes trace amount of dissolved water from the organic extracts during the workup process. It is also used as a drying agent in the off-line supercritical fluid extraction method.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Journal of Chromatography A, 657, 413-427 (1993)
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