Metaphosphoric acid

Metaphosphoric acid is a type of phosphoric acid that is used in a variety of applications, including as a dehydrating agent, in the preparation of phosphate salts, and in the analysis of various substances. It is a colorless, crystalline solid that is soluble in water and alcohol.

Chemical Structure

Metaphosphoric acid is a type of polymeric phosphoric acid. It is composed of three phosphorus atoms, nine oxygen atoms, and three hydrogen atoms. The chemical formula for metaphosphoric acid is (HPO3)n, where n is the number of phosphorus atoms in the molecule.

Properties

Metaphosphoric acid is a strong acid that is capable of dehydrating many compounds. It is also a powerful oxidizing agent. When heated, it decomposes to form phosphorus pentoxide and water.

Uses

Metaphosphoric acid is used in a variety of applications. It is used as a dehydrating agent in the preparation of certain chemicals. It is also used in the preparation of phosphate salts. In addition, it is used in the analysis of various substances, including metals, minerals, and organic compounds.

Safety

Metaphosphoric acid is a strong acid and can cause burns if it comes into contact with the skin or eyes. It can also cause respiratory irritation if inhaled. Proper safety equipment, including gloves and eye protection, should be used when handling metaphosphoric acid.

See Also

• Phosphoric acid
• Phosphorus pentoxide
• Dehydrating agent
• Oxidizing agent