Magnesium chloride is the name for the chemical compound with the formula MgCl2 and its various hydrates MgCl2(H2O)x. These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water. In North America, magnesium chloride is produced primarily from Great Salt Lake brine.
M 1240(OTTO) Magnesium chloride, anhydrous, 99%+ Cas 7786-30-3 - used as a source of magnesium ion. I