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  • Magnesium sulfate heptahydrate
  • Magnesium sulfate heptahydrate
  • Magnesium sulfate heptahydrate
  • Magnesium sulfate heptahydrate
Magnesium sulfate heptahydrate Magnesium sulfate heptahydrate Magnesium sulfate heptahydrate Magnesium sulfate heptahydrate

Magnesium sulfate heptahydrate

  • Magnesium Sulfate
    Molecular Formula: MgSO4·7H2O.
    Magnesium Sulfate
    Molecular weight: 246.48.
    --White exiguous acicular or oblique-pillar crystal. Smell-less, taste-bitter. Easily efflorescent at dry air.
    --Specific gravity is 1.68.
    --Freely soluble in water. Slightly soluble in ethanol and glycerin.
    Soluble in its own water at 67.5℃.
    --Losing 4 molecules crystal water at 70-80℃. Losing all of its crystal water at 200℃ becomes anhydrous compounds.
  • INQUIRY

Production introduce 

  Magnesium Sulphate Heptahydrate is used in industry:
In printing and dyeing industry,it can be used as fabric dyeing agent, weighting agent, mordant, and the aggravating reagent of calico or silk, and filling up of wooden-cotton products. It can be used as a filler to enhance heat resistance in leather industry; used for fireproof material making. It can be used for desiccant and dehydrating agent in organic chemical industry. It can be used in industry wastewater treatment. 

 Magnesium Sulphate Heptahydrate is used in agriculture and gardening fertilizer:
It is applied to Magnesium deficient soil, soluble in the water, absorbed by the soil, to make it fertile. As a key component of chlorophyll molecule, it absorbs sunlight, utilizing the light energy for providing food nutrients for plants during photosynthesis, which can strengthen nutrition to increase the output and crop growth. Magnesium sulfate has higher solubility than other fertilizers.


Grade item

Magnesium sulphate Hepahydrate

7  Mgso4-7H2O

Magnesium

Sulphate

Monohydrate

1 Mgso4-1H2O

appearance

 White crystals

White powder

or granule

Assay % min

 98

99

Mgso4 % min

 48

86

Mgo % min

16.20

28.6

Mg % min

 9.80

17.21

PH (5% solution

5.0-9.2

5.0-9.2

Iron(Fe)% max

0.0015

0.0015

Chloride ( CL)% max

0.014

0.014

Heavy metal

as  bp) % max

0.0006

0.0008

Arsenic  ( as )% max

0.0002

0.0002






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