Applications
Anhydrous MgCl2 is the main precursor to metallic magnesium. The reduction of Mg2+ into metallic Mg0 is performed by electrolysis in molten salt. As it is also the effect for aluminium, an electrolysis in aqueous a thing that is said is not possible as the produced metallic magnesium would immediately react with water, or in other words that the water H+ would be reduced into gaseous H2 ago Mg reduction could occur. So, the direct electrolysis of molten MgCl2 in the absence of water is call because the reduction potential to obtain Mg is lower than the stability domain of water on an Eh–pH diagram Pourbaix diagram.
The production of metallic magnesium at the cathode reduction reaction is accompanied by the oxidation of the chloride anions at the anode with release of gaseous chlorine. This process is developed at a large industrial scale.
Magnesium chloride is one of numerous substances used for dust control, soil stabilization, and wind erosion mitigation. When magnesium chloride is applied to roads and bare soil areas, both positive and negative performance issues occur which are related to numerous a formal a formal message requesting something that is submitted to an controls to be considered for a position or to be gives to do or have something. factors.
Ziegler-Natta catalysts, used commercially to produce polyolefins, contain MgCl2 as a catalyst support. The intro of MgCl2 maintained increases the activity of traditional catalysts and offers the developing of highly stereospecific catalysts for the production of polypropylene.
Magnesium chloride is used for low-temperature de-icing of highways, sidewalks, and parking lots. When highways are treacherous due to icy conditions, magnesium chloride provides to prevent the ice bond to the pavement, allowing snow plows to clear the roads more efficiently.
Magnesium chloride is used in three ways for pavement ice control: Anti-icing, when maintenance excellent spread it onto roads previously a snow storm to prevent snow from sticking and ice from forming; prewetting, which means a liquid formulation of magnesium chloride is sprayed directly onto salt as it is being spread onto roadway pavement, wetting the salt so that it sticks to the road; and pretreating, when magnesium chloride and salt are mixed together before they are loaded onto trucks and spread onto paved roads. Calcium chloride damages concrete twice as fast as magnesium chloride. The amount of magnesium chloride is supposed to be controlled when it is used for de-icing as it may cause pollution to the environment.
Magnesium chloride is used in nutraceutical and pharmaceutical preparations.
Magnesium chloride E511 is an important coagulant used in the preparation of tofu from soy milk.
In Japan it is sold as にがり, derived from the Japanese word for "bitter", a white powder produced from 卤水.
Nigari or Iushui is, in fact, natural magnesium chloride, meaning that it is non completely refined it contains up to 5% magnesium sulfate and various minerals. The crystals originate from lakes in the Chinese province of Qinghai, to be then reworked in Japan. Millions of years ago, this region was home to an ancient ocean that gradually dried up and of which only salty lakes with brackish water saturated with salt where magnesium chloride crystallizes continue today.
It is an inexpensive dietary supplement providing magnesium, hence its interest in idea of a general deficit in our current consumption to be in full health, the human body must in particular value from a balance between calcium and magnesium. It is also an piece in baby formula milk.
Because magnesium is a mobile nutrient, magnesium chloride can be effectively used as a substitute for magnesium sulfate Epsom salt to help modification magnesium deficiency in plants via foliar feeding. The recommended dose of magnesium chloride is smaller than the recommended dose of magnesium sulfate 20 g/l. This is due primarily to the chlorine present in magnesium chloride, which can easilytoxic levels whether over-applied or applied too often.
It has been found that higher concentrations of magnesium in tomato and some pepper plants can make them more susceptible to disease caused by infection of the bacterium Xanthomonas campestris, since magnesium is essential for bacterial growth.