Mg(OH)2 Magnesium Hydroxide Powder 500 Mesh Flame Retardant Price CAS 1309-42-8 It is packed with polythene bag as the inner layer, and polywoven bag as the outer layer. The net weight of each bag is 25kg
Shanghai port or other ports
1 - 1000
To be negotiated
Magnesium hydroxide 500 Mesh.
Magnesium hydroxide, white amorphous powder. The name is caustic soda, light burned magnesia, etc., the suspension of magnesium hydroxide in water is called magnesium hydroxide emulsion, referred to as magnesium milk, the English name is Magnesium hydroxide. Magnesium hydroxide is a colorless hexagonal column crystal or white powder, hardly soluble in water and alcohol, soluble in dilute acid and ammonium salt solution, and the aqueous solution is weakly alkaline. The solubility in water is small, but the water-soluble fraction is completely ionized. The concentration of the saturated aqueous solution was 1.9 mg/liter (18 ° C). Heating to 350 ° C loses water to form magnesium oxide. Natural mineral brucite of magnesium hydroxide. Can be used in sugar and magnesium oxide. Because magnesium hydroxide is abundant in nature and its chemical properties are similar to aluminum, users have begun to use magnesium hydroxide instead of aluminum chloride for fragrance products. Used as an analytical reagent and also used in the pharmaceutical industry.
Magnesium hydroxide is a medium-strong base (the solubility of magnesium hydroxide is very small, the solution is very alkaline, sometimes treated as a weak base), and heated to 623K (350 ° C), ie dehydration decomposition: Mg(OH) 2 →MgO+H2O, easy Soluble in acid or ammonium salt solution. Like carbon oxide, it absorbs carbon dioxide in the air and gradually forms a basic carbonate having a composition of 5MgO·4CO2·xH2O. Decomposes to magnesium oxide and water at temperatures above 350 ° C, but only at temperatures above 1800 ° C can be completely dehydrated.
odorless white powder
100 ° C at 760 mmHg
350oC ( Decomposes)
will not burn
Appearance and traits
odorless white powder
Function and use.
[Use 1] used as an analytical reagent, also used in the pharmaceutical industry [Use 2] Mainly used as flame retardant
[Use 3] It is used as an antacid and laxative in medicine, and can also be used for sugar and magnesium oxide.
[Use 4] Magnesium hydroxide is an excellent flame retardant for plastics and rubber products. As a flue gas desulfurizer in environmental protection, it can replace caustic soda and lime as a neutralizing agent for acid-containing wastewater. Also used as an oil additive to protect against corrosion and desulfurization. In addition, it can also be used in the electronics industry, medicine, sugar refining, as insulation materials and in the manufacture of other magnesium salt products.
[Use 5] Sugar refining, pharmaceutical industry.
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