Magnesium Sulphate Heptahydrate MgSO4.7H2O Fertilizer CAS 10034-99-8
Magnesium Sulphate Heptahydrate MgSO4.7H2O fertilizer use CAS No. 10034-99-8
1.grain size
①smail size:1-2mm
②medium size:2-4mm
③large size:4-6mm
2.specifications of magnesium sulphate heptahydrate
| product name | magnesium sulphate heptahydrate |
| test report | test indexs |
| content(Mgso4 7H2O) | ≥98% |
| magnesium(Mg) | ≥9% |
| chloride(CL) | ≤0.5% |
| water insoluble | ≤0.15% |
| iron(Fe) | ≤0.01% |
| project | A water Magnesium Sulfate (powder) | A water Magnesium Sulfate (granular) | Seven water Magnesium Sulfate |
| Water soluble magnesium (Mg) content /% > | 15.0 | 13.5 | 9.5 |
| Water soluble sulfur (S) mass fraction = /% | 19.5 | 17.5 | 12.5 |
| Chloride ion (C1-) mass fraction is less than or equal to /% | 2.5 | 2.5 | 2.5 |
| The mass fraction of a/% is less than or equal to the free water | 2.0 | 5.0 | 6.0 |
| The mass fraction is less than or equal to /% of insoluble matter | - | - | 0.5 |
| Size = (2.00mm~4.00mm) /% | - | 70 | - |
| The value of pH | 5.0~9.0 | 5.0~9.0 | 5.0~9.0 |
| Appearance | White, gray, or yellow powder, no caking | White, gray, or yellow particles, without caking | No colourless or white crystallized, no caking |
| Note: the "-" in the index indicates that this item is not required in the technical requirements of the product. | |||
| The quality score of a free water is based on factory inspection. | |||
3.picture presentation
4.application of magnesium sulphate heptahydrate :
①In agriculture and gardening , magnesium sulfate is used to correct magnesium deficiency in soil ( magnesium is an essential element in the chlorophyll molecule ) .
②Feed-grade magnesium sulfate as feed processing magnesium supplements .
③Industry for tanning , fertilizer , paper , porcelain , printing dyes , lead-acid battery industry .
5.performance:
White fine acicular or inclined columnar crystal.Odorless, bitter taste, easy weathering in dry air.The proportion of 1.68.Soluble in water, slightly soluble in alcohol and glycerin.The crystallization of the water in the 67.5℃ dissolve in itself.Thermal decomposition, 70, 80℃ is lost four molecules of crystal water.In 200℃ lost all crystallization water into magnesium sulphate.
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