M

Magnesium sulfate

IUPAC: magnesium sulfate

MgO4S Salts CAS 7487-88-9
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Quick Reference
Formula / NotationMgO4S
CAS Number7487-88-9
Molecular Weight120.37
Melting Point1124 °C (decomposition)
Density2.66 g/cu cm
Solubility710 mg/mL
AppearanceOther Solid; Liquid, Other Solid; Dry Powder; Liquid; Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA
Also Known As7487-88-9; Magnesium sulfate anhydrous; MgSO4; Sulfuric acid magnesium salt (1:1); Magnesiumsulfat; Magnesium sulfate (1:1); Sal Angalis; Sal De sedlitz; Tomix OT; Sulfuric acid magnesium salt
CategorySalts

What is Magnesium sulfate?

Magnesium sulfate is a magnesium salt having sulfate as the counterion. It has a role as a fertilizer, an analgesic, a cardiovascular drug, an anticonvulsant, an anti-arrhythmia drug, a calcium channel blocker, an anaesthetic and a tocolytic agent. It is an organic magnesium salt, a magnesium salt and a metal sulfate.

Formula & Notation

MgO4S

IUPAC Name: magnesium sulfate

Other Names / Synonyms: 7487-88-9; Magnesium sulfate anhydrous; MgSO4; Sulfuric acid magnesium salt (1:1); Magnesiumsulfat; Magnesium sulfate (1:1); Sal Angalis; Sal De sedlitz; Tomix OT; Sulfuric acid magnesium salt

Properties & Characteristics

Appearance: Other Solid; Liquid, Other Solid; Dry Powder; Liquid; Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA. Molecular formula: MgO4S. Molecular weight: 120.37 g/mol. Melting point: 1124 °C (decomposition). Density: 2.66 g/cu cm. Solubility: 710 mg/mL.

Physical Data

PropertyValue
Melting Point1124 °C (decomposition)
Density2.66 g/cu cm
Molecular Weight120.37
Solubility710 mg/mL
AppearanceOther Solid; Liquid, Other Solid; Dry Powder; Liquid; Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Magnesium sulfate
Formula MgO4S
CAS Number 7487-88-9
Molecular Weight 120.37
Category Salts
Synonyms 7487-88-9; Magnesium sulfate anhydrous; MgSO4; Sulfuric acid magnesium salt (1:1); Magnesiumsulfat; Magnesium sulfate (1:1); Sal Angalis; Sal De sedlitz; Tomix OT; Sulfuric acid magnesium salt

Frequently Asked Questions

Magnesium sulfate is a magnesium salt having sulfate as the counterion. It has a role as a fertilizer, an analgesic, a cardiovascular drug, an anticonvulsant, an anti-arrhythmia drug, a calcium channel blocker, an anaesthetic and a tocolytic agent. It is an organic magnesium salt, a magnesium salt and a metal sulfate.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.