Magnesium Chloride

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magnesium chloride

[mag′nē·zē·əm ′klȯr‚īd]
(inorganic chemistry)
MgCl2·6H2O Deliquescent white crystals; soluble in water and alcohol; used in disinfectants and fire extinguishers, and in ceramics, textiles, and paper manufacture.

Magnesium Chloride

 

MgCl2, a salt; colorless crystals. Density, 2.316 g/cm3; melting point, 713°C; boiling point, 1412°C. It is extremely hygroscopic; its solubility in water at 20°C is 35.3 percent (by weight). It forms crystalline hydrates with one, two, four, six, eight, and 12 water molecules. Hydrous magnesium chloride, MgCl2-6H2O, is stable at temperatures from —3.4° to 116.7°C. It occurs naturally as the mineral bischofite; it is extracted in large quantities during the concentration of ocean brines. Magnesium chloride forms double salts, an example of which is the highly valuable mineral carnallite, KCl.MgCl2-6H2O (a source of Mg and KC1). The production of magnesium chloride involves the dehydration of bischofite to MgCl2»2H2O, which is then dehydrated in a flow of HC1 at 100°-200°C. Magnesium chloride is primarily used in the manufacture of metallic magnesium; MgCl2 • 6H2O is used in the preparation of magnesia cements.

References in periodicals archive ?
One way to decrease the volume needed is to give a laxative (e.g., bisacodyl [Dulcolax[R]] or magnesium citrate) before the PEG-ES in order to remove the bulk of feces.
Lactulose, sorbitol, Milk of Magnesia, and magnesium citrate are all osmotic laxatives that work like polyethylene glycol.
A colon cleanse with magnesium citrate did not reduce the swelling.
The patient was given magnesium citrate to induce bowel movements.
These are calcium citrate, magnesium citrate, and ferric chloride (up to 36 percent solution).
For example, with an oral osmotic like magnesium citrate, sometimes the bowel movement can happen unpredictably--and in some cases explosively and uncontrollably" he explained.
Magnesium can loosen the bowels, a problem usually solved by experimenting with different forms, such as magnesium glycinate, magnesium citrate or magnesium chloride.
* Various bowel preparation agents, including sodium phosphate, PEGs (polyethylene glycol), mannitol, magnesium citrate and bisacodyl.
When increased fiber intake fails to alleviate symptoms of constipation, patients are often prescribed an osmotic laxative (eg, magnesium hydroxide, magnesium citrate, sodium phosphate, or polyethylene glycol [PEG]) (SOR: B), which promotes water secretion in the intestines.
Hurt's bowel preparation includes administering a low-residue diet and magnesium citrate. He does not use polyethylene glycol 3350 for oral solution because of the volume that must be consumed.
* Calcium Citrate plus Magnesium (Twinlab): Four capsules at bedtime (600 mg Calcium Citrate and 300 mg Magnesium Citrate).