Magnesium Oxide - Application: Industrial

Magnesium oxide MgO is a white inorganic compound made up of magnesium and oxygen Its commonly used in a variety of applications from industrial uses to medical and environmental purposes Here are some key details about it

1 Chemical Properties
Formula MgO

Appearance White powder or solid

Molar Mass 4030 gmol

Solubility Slightly soluble in water but it forms a basic solution alkaline when it does dissolve

2 Production
Magnesium oxide is typically produced by heating magnesium carbonate MgCO or magnesium hydroxide MgOH to high temperatures around 1000C to 1200C This process is called calcination and it releases carbon dioxide CO when carbonate is heated

Reaction with magnesium carbonate

MgCO
3

heat
MgO

CO
2
MgCO
3


heat

MgOCO
2


3 Uses of Magnesium Oxide
Refractory Material MgO is highly heatresistant and is often used in furnace linings and kilns

Construction Its used as an ingredient in cement especially for hightemperature applications

Medicine In the medical field MgO is used as an antacid and as a laxative

Environmental Applications It is used in water treatment and to neutralize acidic soils in agriculture

Electrical Insulation It is used in electrical cables as an insulating material due to its high electrical resistance and thermal conductivity

4 Health Effects
Magnesium oxide is generally considered safe for use in small amounts such as in medicine However overconsumption in large doses can lead to diarrhea abdominal cramping and in severe cases can cause magnesium toxicity leading to low blood pressure difficulty breathing and heart arrhythmias

5 Interesting Facts
Strong Bonding The ionic bonds in magnesium oxide make it incredibly strong which is one reason it has such a high melting point around 2800C or 5072F

Basic Nature Its a basic compound alkaline and can neutralize acids