Magnesium sulfate
CAS 7487-88-9MgO4S120.37 g/mol
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.
IUPAC: magnesium sulfate
PubChem
Physical & Chemical Properties
| Melting Point | 1124 °C (decomposition) |
| Density | 2.66 g/cu cm |
| Solubility | 710 mg/mL |
| pH | Neutral to litmus |
| 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 |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2833
Data: UN Comtrade
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