Magnesium sulfate anhydrous CAS：139939-75-6
High Solubility: Magnesium sulfate dissolves rapidly in water, which enables its application in a broad range of chemical manufacturing and industrial operations.
Hygroscopic Nature: It displays deliquescent characteristics, readily absorbing moisture from the air, making it suitable for use as a drying agent in temperature-controlled environments.
Stable and Safe: The compound maintains stability under normal handling conditions and poses minimal hazards, guaranteeing secure utilization across various industrial scenarios.
Versatile Form: Supplied in both powdered and crystalline formats, magnesium sulfate can be easily processed to meet the requirements of agricultural, pharmaceutical, and general industrial applications.
Anhydrous magnesium sulfate, commonly referred to as Epsom salt, bitter salt, or sulfur bitter, is a magnesium-based chemical compound. It typically presents as colorless or white hygroscopic crystals, or a fine white powder. This material is odorless, has a distinct bitter-salty taste, and exhibits deliquescent properties.
When in its heptahydrate form, magnesium sulfate loses six water molecules at 150°C and becomes completely anhydrous when heated to 200°C. The anhydrous form has a density of 2.66, melts at 1124°C, and decomposes at this temperature. It is highly soluble in water, moderately soluble in alcohol, ether, and glycerol, and insoluble in acetone.
Parameter
| Melting point | 1124 °C |
| density | 1.07 g/mL at 20 °C |
| bulk density | 600kg/m3 |
| vapor density | <0.01 (vs air) |
| vapor pressure | <0.1 mm Hg ( 20 °C) |
| storage temp. | no restrictions. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | powder (very fine) |
| Specific Gravity | 2.66 |
| color | slightly gray |
| Odor | at 100.00 %. odorless |
| PH | 7.9 (50g/l, H2O, 25℃) |
| Odor Type | odorless |
| Water Solubility | Soluble in water. Slightly soluble in alcohol, glycerol. Insoluble in acetone. |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.03 |
| λ: 280 nm Amax: 0.02 | |
| Merck | 145,691 |
| Dielectric constant | 8.2（Ambient） |
| Stability: | Stable. Hygroscopic. |
| LogP | -1.031 (est) |
| CAS DataBase Reference | 7487-88-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Magnesium sulfate(7487-88-9) |
| EPA Substance Registry System | Magnesium sulfate (7487-88-9) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-36-26 |
| WGK Germany | 1 |
| RTECS | OM4500000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 28332100 |
| Hazardous Substances Data | 7487-88-9(Hazardous Substances Data) |
