Product Category: Industrial Salts / Food & Process Chemicals
Chemical Name: Magnesium Sulphate Heptahydrate
Alternative Name: Epsom Salt
CAS Number: 10034-99-8
Chemical Formula: MgSO₄·7H₂O
Molecular Weight: 246.47 g/mol
Appearance: White or colourless crystals
Product Overview
Magnesium Sulphate Heptahydrate is a highly water-soluble magnesium salt widely used across chemical manufacturing, agriculture, water treatment, fermentation, food, pharmaceutical and industrial applications.
The heptahydrate form is commonly known as Epsom Salt.
| Property | Typical Reference |
|---|---|
| SKU | MCS-M2 |
| Appearance | White / colourless crystals |
| Assay | High-purity grades approx. 99.5–100.5% |
| Formula | MgSO₄·7H₂O |
| Molecular Weight | 246.47 g/mol |
| CAS Number | 10034-99-8 |
| pH – 5% Solution | Approx. 5.0–9.2 |
| Solubility | Readily soluble in water |
| Loss on Drying / Ignition | Hydrate-grade dependent |
High-purity commercial grades are available at approximately 99.5–100.5% calculated on the dried substance.
Applications
- Fertiliser manufacture
- Agricultural magnesium supplementation
- Fermentation media
- Chemical manufacturing
- Water treatment
- Textile processing
- Food applications where certified food grade is supplied
- Pharmaceutical manufacture where the appropriate grade is specified
- General industrial processing
Key Benefits
- Readily soluble magnesium source
- Supplies both magnesium and sulphate
- Broad industrial versatility
- Available in high-purity grades
Packaging
Typically supplied in moisture-resistant bags.
Storage
Store dry and tightly sealed. Long-term exposure to humidity can result in caking.
