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Your Trusted Partner in Global Fertility Solutions.
| Classification | Magnesium Fertilizer |
|---|---|
| CAS No. | 10034-99-8 |
| EINECS No. | 242-691-3 |
| MF | MgSO₄·7H₂O |
| Appearance | White Crystal |
| Other Name | Magnesium Sulfate |
| Application | Fertilizer material |
| Brand Name | FT Fert |
| Packaging | In 25kg, 50kg, 1000kg, 1250kg Bag And OEM Color Bag |
Magnesium Sulphate Heptahydrate, also known as Epsom Salt, is a fully water-soluble fertilizer with the chemical formula MgSO₄·7H₂O. It contains 9.8% magnesium (Mg) and 12.9% sulfur (S), both of which are essential secondary nutrients for plant growth.
Magnesium plays a central role in chlorophyll formation and photosynthesis, while sulfur aids in enzyme activation, protein synthesis, and improving crop quality. This product is ideal for use in fertigation, foliar spray, and soil application across a wide range of crops.
| ITEM | STANDARD | STANDARD | STANDARD |
|---|---|---|---|
| Appearance | White crystal | ||
| Purity | ≥99% | ≥99.5% | ≥99.5% |
| MgSO4 | ≥47.86% | ≥48.59% | ≥48.59% |
| MgO | ≥16% | ≥16.24% | ≥16.24% |
| Mg | ≥9.65% | ≥9.8% | ≥9.8% |
| S | ≥11.8% | ≥12% | ≥12% |
| Cl | ≤0.30% | ≤0.014% | ≤0.014% |
| Fe | 50ppm max | 15ppm max | 3ppm max |
| As | -- | 2ppm max | 2ppm max |
| Cd | -- | 2ppm max | 2ppm max |
| Pb | -- | 6ppm max | 6ppm max |
| Insoluble in water | ≤0.10% | ≤0.010% | ≤0.010% |
| PH(5W/V%Sol) | |||
| Size | 0.1-1mm | 0.1-0.5/ 1-3/ 2-4/ 4-7mm | 0.1-1mm |
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