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Magnesium sulfate

MgSO4 · 7 H2O

Produktinformationen

Magnesium sulfate

Magnesium sulfate is an inorganic salt composed of magnesium and the sulfate anion, and it is widely known under the name Epsom salt. The salt in its pure form is a colorless to white crystalline solid. It has a characteristic, strongly salty and bitter taste, from which its common name is derived. Magnesium sulfate is very highly soluble in water and usually exists as the heptahydrate, meaning with seven bound water molecules. When exposed to heat, it gradually loses its water of crystallization. It is slightly hygroscopic, meaning it attracts moisture from the environment.

Application

Magnesium sulfate has a long history and is versatilely used in medicine, wellness, and agriculture. In medicine, it is traditionally used as a laxative, as it draws water into the intestines, thereby promoting digestion. In the wellness sector, it is popular as a bath additive in the form of Epsom salt, as it is said to contribute to muscle relaxation and the relief of tension. In agriculture, magnesium sulfate is used as an important fertilizer to supply plants with the essential nutrient magnesium. Especially for conifers and needle trees, it serves to prevent and treat yellowing or browning, which indicates a magnesium deficiency. It is also used as a starting material in the chemical industry and finds application in paper and textile manufacturing.

Packaging & Amount

25kg | Big Bags

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Specification

Molecular Formula : Heptahydrate: MgSO4·7H2O ; Dried product : MgSO4·nH2O

Molecular Weight: Heptahydrate: 246.51 ; Dried product : 120.37(Anhydrous)

CAS: Heptahydrate: 10034-99-8 ; Dried product : 15244-36-7

SpecificationGB 29207-2012FCC VII
Content(MgSO4, After ignition), w/%   ≥99.099.5
Heavy metal(as Pb),mg/kg            ≤10————
Lead(Pb),mg/kg                    ≤24
Selenium(Se),mg/kg                ≤3030
pH(50g/L Solution)5.5-7.5————
Chloride(as Cl),w/%                ≤0.03————
Arsenic(As),mg/kg                  ≤3————
Iron(Fe),mg/kg                     ≤20————
Loss on ignition(Heptahydrate),w/%40.0-52.040.0-52.0
Loss on ignition(Dried),w/%22.0-32.022.0-28.0