13143
Magnesium sulfate hydrate
puriss., dried, 99.0-101.0% MgSO4 basis (in dried substance)
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About This Item
Linear Formula:
MgSO4 · aq
CAS Number:
Molecular Weight:
120.37 (anhydrous basis)
PubChem Substance ID:
eCl@ss:
38030409
UNSPSC Code:
12352302
NACRES:
NA.55
EC Number:
231-298-2
MDL number:
Assay:
99.0-101.0% MgSO4 basis (in dried substance)
Form:
powder
grade
puriss.
Quality Level
assay
99.0-101.0% MgSO4 basis (in dried substance)
form
powder
quality
dried
impurities
acidity or alkalinity, complies, residual solvents, complies, ≤0.0015% heavy metals (as Pb)
loss
26-32% loss on drying, 400-500 °C
pH
6.5-8 (25 °C, 120.4 g/L)
anion traces
chloride (Cl-): ≤400 mg/kg
cation traces
As: ≤2 mg/kg, Fe: ≤10 mg/kg
suitability
complies for appearance of solution
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
General description
Magnesium sulfate (Epsom Salt) is an inorganic salt. Quantitative determination of the solubility of manganese sulfate monohydrate in the presence of a co-salt of magnesium has been studied. Raman spectra of 10 hydrated and anhydrous forms of magnesium sulfates have been reported. Their crystal structure and space groups have been evaluated by Raman and XRD (X-ray diffraction) studies.
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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Thompson C and Nathanail P et al.
Chemical Analysis of Contaminated Land (2009)
Zheng W et al.
GB/T 26568-2011: Translated English of Chinese Standard. (GBT 26568-2011, GB/T26568-2011, GBT26568-2011): Magnesium sulfate for agricultural use (2016)
Solubility of Manganese Sulfate Monohydrate in the Presence of Trace Quantities of Magnesium Sulfate Heptahydrate in Water.
Maeda K, et al.
Developments in Chemical Engineering and Mineral Processing, 11(5-6), 423-435 (2003)