Iron oxide

Iron oxide is a chemical compound made up of iron and oxygen. It is commonly known as rust and is a reddish-brown substance that is formed when iron reacts with water and oxygen. Iron oxide is used in a variety of applications, including as a pigment in paints and in the manufacture of steel.

Chemical Properties

Iron oxide has the chemical formula Fe2O3. It is an inorganic compound that is insoluble in water. It has a high melting point and is a good conductor of heat and electricity. Iron oxide is a paramagnetic substance, meaning it is attracted to magnetic fields but does not retain its magnetism when the field is removed.

Physical Properties

Iron oxide is a reddish-brown solid at room temperature. It has a high density and is a good conductor of heat and electricity. It is insoluble in water and has a high melting point.

Uses

Iron oxide is used in a variety of applications. It is used as a pigment in paints, in the manufacture of steel, and in the production of iron. It is also used in the manufacture of ceramics and glass, and in the production of magnetic tapes and disks.

Health Effects

Exposure to iron oxide can cause a variety of health effects. Inhalation of iron oxide dust can cause respiratory problems, including coughing, shortness of breath, and lung damage. Ingestion of iron oxide can cause nausea, vomiting, and diarrhea. Long-term exposure to iron oxide can cause skin and eye irritation, and can also lead to iron poisoning.

See Also

• Iron
• Oxygen
• Chemical compound
• Rust
• Steel
• Pigment
• Ceramics
• Glass
• Magnetic tapes
• Magnetic disks

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