High-Purity Inorganic Chemicals Magnesium Sulfate Heptahydrate Crystals for Industrial Use
Magnesium Sulfate Heptahydrate (MgSO₄·7H₂O) is a white crystalline compound with high purity and excellent solubility. It is widely recognized for its versatility and is manufactured to meet USP, BP, EP, and CP quality standards, ensuring safety and performance in pharmaceutical, food, agricultural, and industrial applications.
As a dual-nutrient fertilizer, it provides essential magnesium and sulfur to crops, promoting chlorophyll synthesis, enhancing photosynthesis, and improving crop yield and flavor. In the pharmaceutical sector, it is used in the production of laxatives, detoxifying agents, and magnesium-based medicines. It is also a key ingredient in the synthesis of antibiotics and other fine chemicals.
In chemical and industrial processes, it serves as a stabilizer, filler, flame retardant additive, and conductivity enhancer in electroplating. It is used in printing and dyeing, microbial fermentation, ceramics, glass, cement, and ABS resin manufacturing. The product is also applied in water treatment as a coagulant and in livestock feed as a magnesium supplement.
Thanks to its stable hydration structure, high magnesium content, and low levels of impurities, Magnesium Sulfate Heptahydrate is a trusted material across a wide range of critical applications.
| Specification | Anhydrous Magnesium Sulfate (MgSO₄) | Heptahydrate Magnesium Sulfate (MgSO₄·7H₂O) | Pentahydrate Magnesium Sulfate (MgSO₄·5H₂O) | Trihydrate Magnesium Sulfate (MgSO₄·3H₂O) | Dihydrate Magnesium Sulfate (MgSO₄·2H₂O) | Monohydrate Magnesium Sulfate (MgSO₄·H₂O) |
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| Appearance | White powder | White crystalline powder or crystals | White crystalline powder or crystals | White crystalline powder or crystals | White crystalline powder or crystals | White crystalline powder or crystals |
| Main Content (%) | ≥99.5 | ≥99 | ≥99 | ≥99 | ≥99 | ≥98 |
| Magnesium (Mg) (%) | 9.80 | 11.31 | 13.65 | 15.23 | 17.21 | 19.6 |
| Sulfate (SO₄) (%) | 48.59 | 56 | 68 | 76 | 86 | 98 |
| Magnesium Oxide (MgO) (%) | 16.20 | 19.00 | 22.70 | 25.30 | 28.60 | 32.60 |
| pH (5% solution) | 5.0 - 9.2 | 5.0 - 9.2 | 5.0 - 9.2 | 5.0 - 9.2 | 5.0 - 9.2 | 5.0 - 9.2 |
| Iron (Fe) (%) | ≤0.0015 | ≤0.0015 | ≤0.0015 | ≤0.0015 | ≤0.0015 | ≤0.0015 |
| Chloride (Cl) (%) | ≤0.014 | ≤0.014 | ≤0.014 | ≤0.014 | ≤0.014 | ≤0.014 |
| Heavy Metals (Pb) (%) | ≤0.0006 | ≤0.0006 | ≤0.0007 | ≤0.0007 | ≤0.0008 | ≤0.0008 |
| Arsenic (As) (%) | ≤0.0002 | ≤0.0002 | ≤0.0002 | ≤0.0002 | ≤0.0002 | ≤0.0002 |
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High-Purity Inorganic Chemicals Magnesium Sulfate Heptahydrate Crystals For Industrial Images
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