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Magnesium Sulfate Monohydrate - China

IUPAC Name	: Magnesium Sulfate Monohydrate
Cas Number	: 14168-73-1
HS Code	: 28332100
Formula	: H₂MgO₅S

Basic Info

Appearance Name	: White Crystalline Powder
Common Names	: Kieserite, Magnesium Sulphate Monohydrate
Packaging	: 25 kg PP Bag

Industry

Fertilizers

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Technical Document

Brief Overview

Magnesium sulphate is an inorganic salt, with the chemical formula MgSO₄. It occurs in two forms, monohydrate and heptahydrate. The heptahydrate form is MgSO₄.7H₂O and is commonly called as Epsom salt. The monohydrate is MgSO₄.H₂O and is present in the form of a mineral called kieserite.

Manufacturing Process

Magnesium sulphate is often obtained from natural sources such as minerals in geological environments. They be formed by the supergene process, that is, their enrichment occurs relatively near the surface. Magnesium sulphate is an important constituent of evaporitic potassium-magnesium salt deposits. Magnesium sulphate monohydrate also occurs naturally as kieserite minerals.

Agriculture Industry

Majority of the usage of magnesium sulphate monohydrate is in agriculture, where it is used to correct a magnesium and sulphur deficiency in the soil. Certain crops require more magnesium as it is an essential mineral in chlorophyll containing food like potato, rose, tomato, lemon tree, carrot and pepper. For such crops, magnesium sulphate monohydrate is added to the soil, as a source of extra magnesium.

Chemical Industry

Magnesium sulphate is used as an electrolyte to prepare copper sulphate. A magnesium sulphate solution is electrolyzed with a copper anode to form copper sulphate, magnesium hydroxide, and hydrogen:

Cu + MgSO₄ + 2 H₂O → H₂ + CuSO₄ + Mg(OH)₂.

Brewery Industry

Magnesium sulphate is a brewing salt in beer production and is added to adjust the ion content of the brewing water and to enhance enzyme action in the mash or promote a desired flavour profile in the beer.

Other Applications

It is used as a coagulant in making tofu.