Magnesium Sulfate Anhydrous
Magnesium Sulfate Anhydrite
- CAS
- 7487-88-9
- EC
- 686-508-9
- Food Code
- E518
- Sectors
- Agriculture, Food & Nutrition, Animal Nutrition
Magnesium Sulfate Anhydrous (CAS 7487-88-9) is an inorganic magnesium salt supplied as a white, odorless crystalline powder that readily absorbs moisture, offering a concentrated source of magnesium and sulfur for industrial, laboratory, agricultural and feed applications.
Typical Properties
| Molecular formula | H2O4S.Mg |
|---|---|
| Molecular weight | 120.37 g/mol |
| Appearance | White crystalline powder |
| Form | powder (very fine) |
| Color | slightly gray |
| Odor | at 100.00 %. odorless |
| Melting point | 1124 °C (decomp) |
| Density | 2.66 g/cm³ |
| Water solubility | Soluble in water. Slightly soluble in alcohol, glycerol. Insoluble in acetone. |
| pH | 7.9 (50g/l, H2O, 25°C) |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 28332100 |
| Grades available | Food Grade, Technical 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 Anhydrous
Applications
Used as a drying agent in organic synthesis, catalyst carrier in petrochemical processes, and stabilizer in polymer production. In pharmaceuticals, it’s employed in formulations where moisture control is critical. Also applied in agriculture and feed as a mineral supplement.
Safety & Risks
Non-toxic and stable under ambient conditions. Avoid contact with moisture to prevent conversion to the heptahydrate form.
Packaging
Supplied in 25 kg paper bags or 1,000 kg big bags. Store cool, dry, and sealed.