Magnesium Chloride
MgCl2, Magnesium Dichloride
- CAS
- 7786-30-3
- EC
- 232-094-6
- Food Code
- E511
- Sectors
- Water & Wastewater Treatment, Food & Nutrition, Building & Construction
Magnesium Chloride (CAS 7786-30-3) is an inorganic salt, also known as magnesium dichloride, supplied as a white, hygroscopic powder in hexahydrate form, and it is used in de-icing, dust control, magnesium metal production, and as a firming and coagulating agent in food and pharmaceuticals. It is highly soluble in water and alcohols.
Typical Properties
| Molecular formula | Cl2Mg |
|---|---|
| Molecular weight | 95.21 g/mol |
| Appearance | white powder |
| Form | powder |
| Color | colorless |
| Odor | odorless |
| Melting point | 712 °C |
| Boiling point | 1412 °C |
| Density | 2.32 g/cm³ |
| Water solubility | 400 G/L (20 °C) |
| pH | 5.0-7.5 (25°C, 1M in H2O) |
| GHS signal word | Danger · Corrosive, Irritant / harmful |
| HS code | 28273100 |
| 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 Chloride
Applications
Used in de-icing, dust control, and magnesium metal production. In food and pharmaceuticals, it functions as a firming and coagulating agent. Also applied in cosmetics and textiles.
Safety & Risks
Non-toxic; corrosive to metals when wet. Avoid moisture exposure.
Packaging
Delivered in 25 kg plastic-lined bags or 1,000 kg big bags. Store in a dry, ventilated environment.