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Magnesium sulfate

Catalog Number
ACM7487889
Product Name
Magnesium sulfate
Structure
CAS
7487-88-9
Category
Electrolytes
Synonyms
Magnesium sulfate anhydrous
Description
Magnesium sulfate is an inorganic salt (chemical compound) containing magnesium, sulfur and oxygen, with the formula MgSO4.It is often encountered as the heptahydrate sulfate mineral epsomite (MgSO4·7H₂O), commonly called Epsom salt, taking its name from a bitter saline spring in Epsom in Surrey, England, where the salt was produced from the springs that arise where the porous chalk of the North Downs meets non-porous London clay. The monohydrate, MgSO4·H₂O is found as the mineral kieserite. The overall global annual usage in the mid-1970s of the monohydrate was 2.3 million tons, of which the majority was used in agriculture.Anhydrous magnesium sulfate is used as a drying agent. The anhydrous form is hygroscopic (readily absorbs water from the air) and is therefore difficult to weigh accurately; the hydrate is often preferred when preparing solutions (for example, in medical preparations). Epsom salt has been traditionally used as a component of bath salts. Epsom salt can also be used as a beauty product. Athletes use it to soothe sore muscles, while gardeners use it to improve crops.
IUPAC Name
Magnesium;sulfate
Molecular Weight
120.37
Molecular Formula
MgO4S
Canonical SMILES
[O-]S(=O)(=O)[O-].[Mg+2]
InChI
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
Boiling Point
330ºC at 760 mmHg
Melting Point
1124 °C
Purity
99%+
Density
1.07 g/mL at 20 °C (lit.)
Solubility
Soluble in water, slightly soluble in alcohol, glycerol, insoluble in acetone
Appearance
Slightly gray powder
Complexity
62.2
EC Number
231-298-2
Exact Mass
119.9367713
Hazard Statements
Xi: Irritant;
Heavy Atom Count
6
Log P
-0.25720
Monoisotopic Mass
119.9367713
Odor
Odorless
Safety Description
S22-S24/25-S36-S26
Stability
Stable. Hygroscopic.
Storage Conditions
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Topological Polar Surface Area
88.6 Ų
Vapor Pressure
<0.1 mm Hg ( 20 °C)
WGK Germany
1
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