Magnesium sulfate hydrate

Basic Information

View in Editor

CAS Number

22189-08-8

Molecular Formula

H2MgO5S

Molecular Weight

138.38 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

1124℃

Boiling Point

330 °C at 760 mmHg

Water Solubility

Soluble in water (360 mg/ml at 20°C), ether (11.6 mg/ml at 18°C), alcohol, and glycerin. Insoluble in acetone.

Solubility

H2O: 1 M at 20 °C, clear, colorless

SMILES

View in Editor

[O-]S(=O)(=O)[O-].O.[Mg+2]

InChI

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

InChIKey

CSNNHWWHGAXBCP-UHFFFAOYSA-L

LogP

-0.25720

Complexity

62.2

Safety Information

View Safety Information

Sensitiveness

Hygroscopic

Synonyms & References

English

KIESERITE
MAGNESIUM SULFATE
Magnesium sulfate - dried
MAGNESIUM SULFATE HYDRATE
MAGNESIUM SULFATE, HYDROUS
MAGNESIUM SULFATE MONOHYDRATE
MAGNESIUM SULPHATE HYDRATE
SULFURIC ACID MAGNESIUM SALT HYDRATE
MAGNISIUM SULPHATE
Epson salt
Magnesiumsulfate,dried,containsca1-2molwaterofhydration
magnesium sulfate hydrate, puratronic
sulfate of magnesia
Magnesium sulfate,dried,contains 3 to 4 moles of water
MAGNESIUM SULPHATE HEPTAHYDRATE
r (metals basis)
Magnesium sulfate

MDL Number

MFCD00149787

FAQ

What are the physical and chemical properties of Magnesium sulfate hydrate (CAS: 22189-08-8)?

Magnesium sulfate hydrate, commonly known as Epsom salt, is a white crystalline compound with a molecular weight of approximately 246.47 g/mol. It has a high solubility in water and is slightly soluble in ethanol. Chemically, it is highly reactive with acids, forming magnesium salts and sulfur dioxide. It exists in various hydrate forms, with the most common being MgSO4·7H2O.

How is magnesium sulfate hydrate (CAS: 22189-08-8) typically synthesized?

Magnesium sulfate hydrate is usually synthesized by adding magnesium sulfate to water or another solvent and allowing it to crystallize. This process can be conducted by precipitation from a solution or by direct reaction of magnesium oxide with sulfuric acid. The hydration process is exothermic, and proper temperature control is necessary to achieve the desired hydrate form.

What industries use magnesium sulfate hydrate (CAS: 22189-08-8)?

Magnesium sulfate hydrate is widely used in various industries. In pharmaceuticals, it is used as a laxative and for topical applications. In agriculture, it serves as a magnesium and sulfur source for fertilizers. In the food industry, it acts as a stabilizer and thickener. Additionally, it is used in the production of semiconductors, as a desiccant in polymers, and in the manufacturing of sensors and other electronic components.

What precautions should be taken when handling magnesium sulfate hydrate (CAS: 22189-08-8)?

Handling magnesium sulfate hydrate requires appropriate personal protective equipment (PPE), such as gloves and goggles. It should be stored in a dry, cool place to prevent moisture absorption. In case of a spill, clean it up immediately using appropriate tools. Always refer to the safety data sheet (SDS) for specific handling and emergency procedures. Due to its reactivity with acids, it should be kept away from strong acids and handled with caution to avoid accidental chemical reactions.