Magnesium sulfate hydrate
Also known as: Magnesium sulfate hydrate, Magnesium sulfate, dried, contains 3 to 4 moles of water, Sulfuric acid magnesium salt hydrate, Epsom salt, Kieserite, Magnesium sulfate monohydrate, Magnesium sulfate, dried, contains ca 1-2 mol water of hydration
Magnesium sulfate hydrate (CAS 22189-08-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula MgO4S and a molecular weight of 120.36800 g/mol. Key properties include a melting point of 150 °C (dec.)(lit.) and a density of 2.57 g/mL at 25 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22189-08-8
- Jingsj CID
- J-1135934-6
- Molecular Formula
- MgO4S
- Molecular Weight
- 120.36800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150 °C (dec.)(lit.) |
|---|---|
| Density | 2.57 g/mL at 25 °C(lit.) |
| Exact Mass | 119.93700 |
| PSA | 88.64000 |
| Additional Property | H2O: 1 M at 20 °C, clear, colorless |
Frequently Asked Questions
What is the CAS number of Magnesium sulfate hydrate?
The CAS number of Magnesium sulfate hydrate is 22189-08-8.
What are the molecular formula and molecular weight of Magnesium sulfate hydrate?
Magnesium sulfate hydrate has molecular formula MgO4S and molecular weight 120.36800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Magnesium sulfate hydrate (CAS 22189-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1135934-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.