Epsom salt, also known as magnesium sulfate, has chemical formula of MgSO
4·7H
2O.
Physical Properties:
| Properties |
Details |
| Appearance |
Colorless or white crystals |
| Boiling Point |
Decomposes above 200 °C (392 °F) |
| Chemical Formula |
MgSO4 · 7H2O |
| Crystal System |
Orthorhombic |
| Density |
1.68 g/cm³ |
| Hygroscopicity |
Hygroscopic (absorbs moisture from the air) |
| Melting Point |
150 °C (302 °F) |
| Molecular Weight |
246.47 g/mol |
| Odor |
Odorless |
| Solubility |
Highly soluble in water; slightly soluble in alcohol |
Chemical Properties:
| Properties |
Details |
| Combustibility |
Non-combustible substance |
| Decomposition |
Upon heating, Epsom salt decomposes to release water and anhydrous magnesium sulfate (MgSO4) |
| Hydrate Formation |
Epsom salt readily forms hydrated crystals with water molecules, such as the heptahydrate |
| pH |
Epsom salt is neutral, with a pH around 7.0 |
| Reaction with Acids |
Reacts with acids to produce magnesium sulfate and release carbon dioxide |
| Reaction with Alkalis |
Reacts with alkalis to precipitate insoluble magnesium hydroxide |
| Reaction with Water |
Dissolves readily in water, forming a clear, colorless solution |
| Reducing Agent |
Can act as a mild reducing agent in certain chemical reactions |
Reactions of epsom salt
Epsom salt did not show any significant reaction with other element.
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