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[Chemical Knowledge]：Properties and Uses of Magnesium Hydroxide

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Properties and Uses
of Magnesium Hydroxide in the Field of Raw Materials for Chemical Production
Magnesium hydroxide is an inorganic compound with a wide range of uses, especially in the field of raw materials for chemical production. This article will detail the properties and uses of magnesium hydroxide.

1. Properties of Magnesium Hydroxide

Magnesium hydroxide is a white amorphous powder with the formula Mg(OH)2. It has the following properties:

1. Alkaline: Magnesium hydroxide is a strong base with alkaline reaction. When dissolved in water, hydroxide ions (OH-) are produced, making the solution alkaline.
2. Insoluble: Magnesium hydroxide has low solubility in water, but is soluble in acid.
3. Thermal stability: Magnesium hydroxide has good thermal stability and can be calcined and decomposed into magnesium oxide and water at a higher temperature.

2. the use of magnesium hydroxide

magnesium hydroxide in the field of chemical production of raw materials have a wide range of uses, mainly including the following aspects:

1. flame retardant
magnesium hydroxide as a flame retardant, in plastics, rubber and other polymer materials are widely used. At high temperature, magnesium hydroxide can decompose water vapor and magnesium oxide, water vapor can dilute flammable gas, magnesium oxide can be isolated from oxygen, so as to play a flame retardant effect.

2. acidic wastewater treatment agent
magnesium hydroxide has good alkaline, can be used to neutralize acidic wastewater, so that its pH value to meet environmental standards. At the same time, magnesium hydroxide can also react with heavy metal ions in wastewater to generate precipitation, so as to achieve the purpose of removing heavy metal ions.

3. Filler
Magnesium hydroxide can be added to some chemical products as a filler to improve the hardness, heat resistance, dimensional stability and other properties of the product.

4. pharmaceutical intermediates
magnesium hydroxide in the pharmaceutical industry can be used as a number of drug intermediates, for the preparation of some compounds with specific physiological activity.

In short, magnesium hydroxide has a wide range of uses in the field of chemical production raw materials, which can improve the performance and quality of products.

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