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CAS 1314-56-3

CAS 1314-56-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 1314-56-3

CAS 1314-56-3PubChem CID 6326975

Phosphorus pentoxide

Diphosphonate(2-) is a divalent inorganic anion obtained by removal of both protons from diphosphonic acid. It is a phosphorus oxoanion and a divalent inorganic anion. It is a conjugate base of a diphosphonate(1-). — ChEBI

Molecular formula: O5P2
Molecular weight: 141.94 g/mol
Exact mass: 141.92209709 Da
XLogP3: -2.1
Topological polar surface area: 77.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 0

Also known as

Phosphorus(V) oxidediphosphonatePhosphorus (V) pentoxidediphosphonate(2-)Phosphorus oxide (P2O5)O5P2DiphosphorpentaoxidPhosphorus (V) oxide

8 more reported names

CHEBI:29262XQRLCLUYWUNEEH-UHFFFAOYSA-LYWEUIGNSBFLMFL-UHFFFAOYSA-NP2H2O5(2-)BP-21050mu-oxido-bis(hydridodioxidophosphate)(2-)[O2P(H)OP(H)(O)2](2-)P1746

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:29262

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1314-56-3

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How CAS 1314-56-3 is used on this site

CAS 1314-56-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1314-56-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.