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Magnesium hydroxide

Magnesium hydroxide

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Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2 in the form of white crystals obtained by combining water with magnesium oxide. It occurs in nature as the mineral brucite. On an industrial scale, this compound is obtained by treating a saline solution with lime.


Physical and chemical properties of magnesium hydroxide



Chemical formula


Substance type



colourless trigonal crystals


white, colourless

State of aggregation (at 20 °C and atmospheric pressure of 1 atm)


Density (solid state of matter at 20 °C), kg/m3


Density (solid state of matter at 20 °C), g/cm3


Melting point, °C


Molar weight, g/mol


Production technology

Ural Plant of Deicing Materials (UZPM) produces magnesium hydroxide synthetically from natural brine containing magnesium salts.

Technical properties:



Scope of application

The magnesium hydroxide is widely used in industry. It is applied as a fire retardant in the production of thermoplastics and polymer compositions. Magnesium hydroxide plays an important role in the manufacture of non-combustible wires and cables (automobile and halogen-free cables) and roofing sheets. Moreover, the magnesium hydroxide is used in electrical engineering and electronics to produce frames, connecting elements, cable channels, profiles, pipes, shipping containers. As a flocculant, magnesium hydroxide is used for purification of natural and waste waters, as well as in the chemical, pharmaceutical and food industries. Magnesium hydroxide is often used as a substitute for certain alloys.

Main uses of magnesium hydroxide


Application details

Production of fire-resistant polymer compositions, paintwork materials and plastics

Used as a filler and fire retardant for polymer compositions, paintwork materials and plastics

Food industry

Used as a food additive E528; emulsifier, acidity regulator; as a component for sugar production

Production of chemical reagents, chemical industry

Used for producing pure and high-purity chemicals, reagents, magnesium oxide

Medicine, cosmetic, pharmaceutical industry

Used as a component of medicines and cosmetics; antacid

Environmental protection

Used as a flocculant for natural and waste water treatment


Production of mineral fertilizers

Magnesium hydroxide produced by UZPM

Magnesium hydroxide produced by UZPM is recommended as a raw material for obtaining magnesium oxide, as well as a component for the production of:

  • Agricultural products

  • Neutralizing agent of compositions for water and industrial gases purification

  • Fire retardant and filler for polymeric materials


Safety Data Sheet (SDS) according to Regulation (EC) № 1907/2006, № 2015/830, № 1272/2008 of 01.09.2020


What is the purpose of deicing materials?
Deicing materials are an inseparable part of daily life. In Russia, snowpack stays on for half a year; therefore, deicing materials are used to guarantee safety and comfort of winter traffic.
What is the effective time of reagents after spraying/spreading?
Interaction of deicing material elements with snow starts instantly, but depending on the type of reagent and ice-and-snow pack, the time of “operation” will vary from 10 to 40 minutes.
Where can deicing materials be used?
Deicing materials can be used everywhere, from your yard to airports. However, the main territory of their application is the city streets – vehicle traffic and pedestrian areas.
Where can I buy Bionord?
Bionord can be purchased from the official trade house of Ural Plant of Deicing Materials, and from our distributors from across Russia.


General distributor
+7 (342) 2-540-140 (ext. 145)


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