Compound Q&A

How is diphosphoric acid (CAS: 2466-09-3) typically synthesized?

Answer

Diphosphoric acid
Diphosphoric acid is typically synthesized by the dehydration of orthophosphoric acid using heat or anhydrous conditions. This process is carried out under careful control to prevent the further dehydration to produce phosphorus pentoxide. The reaction can be catalyzed by various means, and the purity and selectivity of the product can be enhanced through careful process control.

About

CAS No 2466-09-3
English Name Diphosphoric acid
Molecular Formula H4O7P2
Molecular Weight 177.97 g/mol
SMILES OP(=O)(O)OP(=O)(O)O
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-N
Last Updated: 2025-09-09 19:18

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