Structure via PubChem · Public domain (PubChem)
calcium pyrophosphate
Sign in to saveAlso known as diphosphoric acid, calcium salt (2:1), Ca2P2O7, Dicalcium diphosphate (acidity regulator)
chemical compound
In the Vinony graph
Within Vinony's link graph, calcium pyrophosphate is referenced by 106 other articles, and connects out to calcium, International Standard Book Number and ion.
It sits within the topics Calcium compounds, ECHA InfoCard ID from Wikidata and E number from Wikidata.
Its subject is documented across 12 Wikipedia language editions.
Chemical data
- Formula
- Ca2O7P2
- Molecular weight
- 254.1 g/mol
- IUPAC name
- dicalcium;phosphonato phosphate
- SMILES
- [O-]P(=O)([O-])OP(=O)([O-])[O-].[Ca+2].[Ca+2]
- InChIKey
- JUNWLZAGQLJVLR-UHFFFAOYSA-J
- Polar surface area
- 136 Ų
- H-bond donors
- 0
- H-bond acceptors
- 7
- Formal charge
- 0
via PubChem
Research
3,568 papers- Calcium pyrophosphate dihydrate deposition disease (chondrocalcinosis): a review.Wiadomosci lekarskie (Warsaw, Poland : 1960) · 2025
- Calcium pyrophosphate crystal deposition: 2025 update to recent epidemiological findings.Current opinion in rheumatology · 2025
- Pathogenesis of calcium pyrophosphate deposition disease.Best practice & research. Clinical rheumatology · 2021
- Calcium pyrophosphate deposition (CPPD) disease - Treatment options.Best practice & research. Clinical rheumatology · 2021
- Calcium Pyrophosphate Crystal Deposition: Insights to Risks Factors and Associated Conditions.Current rheumatology reports · 2024
via PubMed
Wikidata facts
- Subclass of
- chemical compound
- Has part
- phosphorus
- Mass
- 253.837
- Has use
- acidity regulator
Show 2 more facts
- canonical SMILES
- [O-]P(=O)([O-])OP(=O)([O-])[O-].[Ca+2].[Ca+2]
- chemical formula
- Ca₂O₇P₂
via Wikidata · CC0