230391
Magnesium sulfate heptahydrate
ACS reagent, ≥98%
Synonym(s):
Epsom salts
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About This Item
Linear Formula:
MgSO4 · 7H2O
CAS Number:
Molecular Weight:
246.47
PubChem Substance ID:
eCl@ss:
38030409
UNSPSC Code:
12352302
NACRES:
NA.21
EC Number:
231-298-2
MDL number:
Assay:
≥98%, 98.0-102.0% (ACS specification)
Grade:
ACS reagent
Form:
crystals
grade
ACS reagent
Quality Level
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
assay
≥98%, 98.0-102.0% (ACS specification)
form
crystals
impurities
≤0.005% insolubles
pH
5.0-8.2 (25 °C, 5%)
anion traces
chloride (Cl-): ≤5 ppm, nitrate (NO3-): ≤0.002%
cation traces
Ca: ≤0.02%, Fe: ≤5 ppm, K: ≤0.005%, Mn: ≤5 ppm, NH4+: ≤0.002%, Na: ≤0.005%, Sr: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)
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
General description
Magnesium sulfate heptahydrate is a hydrated salt of magnesium. It is commonly used as a catalyst in organic synthesis.
Application
Magnesium sulfate heptahydrate can be used as a Lewis acid catalyst to synthesize:
NaBH4 supported on MgSO4 7H2O can be used as an efficient catalyst for the reduction of α, β-unsaturated carbonyl compounds to corresponding alcohols.
- Phenazine and quinoxaline derivatives via a condensation reaction between o-phenylenediamines and 1,2-dicarbonyl compounds.
- Imidazole derivatives via one-pot multicomponent condensation reaction of aromatic aldehydes, benzil, aliphatic, and aromatic primary amines.
NaBH4 supported on MgSO4 7H2O can be used as an efficient catalyst for the reduction of α, β-unsaturated carbonyl compounds to corresponding alcohols.
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Primer Extension Analysis of HBV DNA with Strand-Specific Primers.
Jung J and Kim K.
Bio-protocol, 5(15) (2015)
Experimental investigation of the stability and evaporation of sulfate and chloride brines on Mars.
Altheide T, et al.
Earth and Planetary Science Letters, 282(1), 69-78 (2009)
ESR studies of (Cu(H2O)6)2+ in magnesium sulfate heptahydrate.
Radhakrishna S and Bhaskar Rao T.
Journal of Magnetic Resonance, 32(1), 71-81 (1978)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 230391-12KG | 04061833482049 |
| 230391-1KG | 04061835346844 |
| 230391-5KG | 04061838782632 |
| 230391-25G | 04061835346851 |
| 230391-25KG | 04061833636626 |
| 230391-500G | 04061835346868 |
| 230391-2.5KG | 04061838782625 |