CAS 10343-62-1

Metaphosphoric acid (HPO3)

Description:

Metaphosphoric acid (HPO3) is a cyclic oligomer of phosphoric acid, characterized by its unique structure that consists of a chain of phosphate units. It is a white, hygroscopic solid that is soluble in water, forming a viscous solution. Metaphosphoric acid is known for its acidic properties, with a pKa value indicating its ability to donate protons in aqueous solutions. It is often used in analytical chemistry, particularly in the determination of phosphates and as a reagent in various chemical reactions. The substance exhibits strong dehydrating properties and can act as a mild oxidizing agent. Additionally, it is utilized in the food industry as a food additive and preservative, particularly in the processing of certain fruits and vegetables. Safety considerations include its corrosive nature, which necessitates proper handling and storage to avoid skin and eye contact. Overall, metaphosphoric acid is a versatile compound with applications across multiple fields, including biochemistry and materials science.

Formula: HO₃P

InChI: InChI=1S/HO3P/c1-4(2)3/h(H,1,2,3)

InChI key: InChIKey=UEZVMMHDMIWARA-UHFFFAOYSA-N

SMILES: P(=O)(=O)O

Synonyms:

• Acide Metaphosphorique
• Acido Metafosforico
• Metaphosphoric Acid
• Metaphosphoric acid (HPO₃)
• Metaphosphorsaure
• Phosphenic acid
• Meta-phosphoric acid
• Phosphoric acid meta
• Metaphosphoric acid (HPO3)