Magnesium Sulfate
Magnesium Sulfate Heptahydrate, Epsom Salt
- CAS
- 10034-99-8
- EC
- 231-298-2
- Food Code
- E518
- Sectors
- Agriculture, Food & Nutrition, Pharma & Healthcare
Magnesium Sulfate (CAS 10034-99-8), also called Epsom salt, is a magnesium salt appearing as a white crystalline powder; it is supplied in Food Grade and used as a magnesium fertilizer in agriculture, a laxative and electrolyte replenisher in pharmaceuticals, and a food additive with the code E518. It provides essential magnesium ions for biochemical and industrial processes.
Typical Properties
| Molecular formula | H2O4S.7H2O.Mg |
|---|---|
| Molecular weight | 120.37 g/mol |
| Appearance | White crystalline powder |
| Form | Solid |
| Color | White |
| Odor | Odorless |
| Melting point | 50.59 °C |
| Density | 1.67 g/cm³ |
| Water solubility | Soluble in in water and acid. Slightly soluble in alcohol and glycerol. |
| pH | 5.0-8.0 (25°C, 50mg/mL in H2O) |
| HS code | 28332100 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Magnesium Sulfate
Applications
Used in pharmaceuticals as a laxative and electrolyte replenisher. In agriculture, it serves as a magnesium fertilizer. Also utilized in textile dyeing, water treatment, and cosmetics for its soothing properties.
Safety & Risks
Non-toxic at recommended doses; excessive intake may cause gastrointestinal discomfort. Avoid moisture contamination.
Packaging
Delivered in 25 kg woven bags or 1,000 kg big bags. Store dry, cool, and sealed.