Magnesium Sulphate Anhydrous
Brand: Pinsen
Product Origin: Shandong, China
HS Code: 28332100
CAS: 7487-88-9
Standard: Agricultrual Grade, Industrial Grade, Feed Grade
Packing: 25kg, 50kg, 1250kg
✓ High-purity anhydrous magnesium source, no crystal water, high Mg content
✓ Strong hygroscopicity, excellent drying agent for many industries
✓ Good water solubility, fast dissolution rate, low chloride and impurities
✓ Powder: good dispersion for liquid formulation
✓ Granule: hard particle, low dust, free-flowing, easy blending
✓ Stable chemical performance, suitable for industrial & fertilizer applications
✓ Reliable consistent quality for bulk shipment
Product Description
Magnesium Sulphate Anhydrous (MgSO₄, Molecular Weight: 120.368, CAS No.: 7487-88-9) is an inorganic salt that appears as a colorless powder or granular material. Commonly known as “bitter salt” in industrial scenarios, this anhydrous product features high solubility in water, ethanol, and glycerol, while being insoluble in acetone. It exhibits excellent thermal stability below 900°C and serves as a neutral, non-corrosive, eco-friendly mineral raw material recognized for its stable physical and chemical properties, fast moisture absorption rate, and broad application adaptability.
Specification
| Item | Specification |
| Chemical Formula | MgSO₄ |
| CAS Number | 7487-88-9 |
| Molecular Weight | 120.368 g/mol |
| Appearance | White powder or granules |
| Assay (MgSO₄) | ≥ 98% |
| Magnesium Oxide (MgO) | ≥ 32.6% |
| Magnesium (Mg) | ≥ 19.6% |
| Sulfur (S) | ≥ 26% |
| pH Value (5% Solution) | 5.0 – 9.2 |
| Iron (Fe) | ≤ 0.0015% |
| Chloride (Cl) | ≤ 0.014% |
| Heavy Metals (as Pb) | ≤ 0.0008% |
| Arsenic (As) | ≤ 0.0002% |
Application
-
Agricultural Field:
Acts as a high-grade magnesium fertilizer to supply essential magnesium, promote chlorophyll formation, and boost drought/disease resistance. When applied as a foliar spray, absorption efficiency is 3 to 5 times faster than soil treatment, quickly remedying leaf chlorosis. -
Industrial Field:
Functions as an efficient neutral drying agent to maintain anhydrous organic reaction environments. Applied as a textile mordant to improve dye adhesion, as well as an inorganic additive in paper manufacturing, fireproof cement compositions, and leather tanning. -
Feed Industry:
Serves as a bioavailable trace magnesium supplement in animal feeds to support bone development, maintain neuromuscular health, and activate metabolic enzymes.
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