Magnesium chloride

Magnesium chloride

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Name :Magnesium chloride
Molecular Formula: MgCl2
Molecular Weight : 95.21
CAS Registry Number : 7786-30-3
EINECS :232-094-6
 These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water. Magnesium chloride as the natural mineral Bischofite is also extracted (solution mining) out of ancient seabeds, for example the Zechstein seabed in NW Europe or the Permian Period seabed in the central parts of the US. Anhydrous magnesium chloride is the principal precursor to magnesium metal, which is produced on a large scale.
Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. In Japan it is sold as nigari, derived from the Japanese word for "bitter"), a white powder produced from seawater after the sodium chloride has been removed, and the water evaporated. In China it is called "lushui". Nigari or Lushui consists mostly of magnesium chloride, with some magnesium sulfate and other trace elements. It is also an ingredient in baby formula milk.