Paraphosphoric acid is a chemical compound used in various industrial applications. It is pronounced /ˌpærəfɒsˈfɒrɪk ˈæsɪd/ using the International Phonetic Alphabet. The spelling of this word is based on the Latin prefix "para-" meaning "beside" or "secondary," and "phosphoric" which refers to the phosphorus element. The suffix "-ic" indicates that the compound has a slightly stronger acidity than just phosphoric acid. Therefore, the correct spelling and pronunciation of this word are essential for scientists and chemical engineers who work with it in their daily work.
Paraphosphoric acid is a chemical compound with the molecular formula H5P3O10. It is an inorganic acid and a phosphorus oxyacid, consisting of phosphorus, oxygen, and hydrogen atoms. Paraphosphoric acid is the condensed form of orthophosphoric acid (H3PO4), in which three molecules of orthophosphoric acid lose water molecules through dehydration reactions to form a condensed molecule of paraphosphoric acid.
Paraphosphoric acid is a white, solid compound that is highly soluble in water, resulting in a strongly acidic solution. The acid strength of paraphosphoric acid is derived from the dissociation of hydrogen ions (H+) when it is dissolved in water. As an acid, paraphosphoric acid can react with bases to form phosphates or with metals to form metal phosphates.
This compound finds applications in various fields, such as the production of detergents, fertilizers, and flame retardants. In the chemical industry, paraphosphoric acid is often utilized as a precursor to other phosphorus-containing compounds. It can also be used as a pH adjuster, catalyst, or sequestering agent in certain chemical reactions.
Paraphosphoric acid should be handled with caution, as it is a corrosive substance and can cause serious burns on contact with the skin or eyes. Inhalation or ingestion of paraphosphoric acid can result in respiratory tract or gastrointestinal irritation. It is recommended to use appropriate protective equipment, such as gloves and goggles, when working with this acid to ensure safety.
See phosphoric acid.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "paraphosphoric" is derived from the Greek prefix "para-" meaning "beside" or "near", and "phosphorus", which refers to the element phosphorus.
The word "acid" originated from the Latin word "acidus", which means "sour". This term was used by early chemists to describe substances with a sour taste.
Therefore, "paraphosphoric acid" is named so because it is a type of acid that is structurally related to phosphoric acid.