Magnesium Chloride Hexahydrate

Magnesium Chloride Hexahydrate

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  • Magnesium dichloride hexahydrate
  • 2827.31.0000
  • Mg-Cl2·6H2O
  • White Flakes
  • 7791-18-6
  • Magnesium Chloride
  • 800 @ 25kg PP bag with PE liner
    20MT / 20’FCL


Brief Overview


Magnesium Chloride (MgCl2) is a faint-white to colourless crystalline salt which are ionic halides. Magnesium Chloride can be extracted from natural sources like brine or sea water in the form of Magnesium Chloride Hydrates. Magnesium Chloride has unique physical properties such as high-water solubilities, high melting point (714 degrees Celsius) and good moisture absorptivity.


Manufacturing Process


There are two methods used for producing Magnesium Chloride:


Method 1: Dow Process: Magnesium Hydroxide (solid form) and Hydrochloric Acid (gas) is combined and reacted to give Magnesium Chloride in the form of a solution with water.


Method 2: Using Sea Water/Brine: The major raw material, sea water, is combined with dolomite. This dolomite is then converted to a mixture of various oxides by heating it at a high temperature. Calcium Hydroxide remains in the solution mixture while Magnesium Hydroxide precipitates out. This is then filtered and heated to form a pure form of Magnesium Oxide. This Oxide is then mixed with carbon and heated in an evaporator in the presence of a Chlorine gas stream to give Magnesium Chloride in solid form.




Widely used as a de-acing agent on roadways in order to prevent ice from building up during winters. It is also used on roads for dust control and prevention from wind erosion.


Medicine Industry


Used as an anaesthetic for crustaceans and cephalopods as it acts on the central nervous system without any damage. It is preferred over urethane or ethanol for use on cephalopods.


Agriculture Industry


It is substituted for magnesium sulphate for foliar feeding to correct magnesium deficiency in plants. High concentrations of magnesium have been found to protect plants from bacterial infection.


Other Applications


Used as an important coagulant in tofu obtained from soy milk and in formula milk for infants, component in fire extinguishers (as a combination with Hydrochloric Acid and water in gaseous state), mineral supplement for animals, wastewater treatment, etc. 

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