Phosphorous pentoxide, 99%

Name: Phosphorous pentoxide, 99%
Brand: Vaqora Chemicals
SKU: VQ-000923

About Phosphorous pentoxide, 99%

Listed under CAS 1314-56-3, Phosphorous pentoxide is a synthetic reagent available from Vaqora Chemicals (Puriss grade), specified at ≥99% purity. With the molecular formula O5P2, it has a molar mass of 141.94 g/mol. Alternative names: Phosphoric anhydride and Phosphorus(V) oxide.

It is supplied as a white powder. Reported physical data include a melting point of 340 °C and a density of 2.3 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include organic synthesis, reaction development and medicinal chemistry. Typical end-use sectors are academic and industrial research.

Available in 100 g, 500 g and 50 kg packs, Phosphorous pentoxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phosphorous pentoxide, 99%
Catalogue No.	VQ-000923
CAS Number	1314-56-3
Molecular formula	O₅P₂
Molecular weight	141.94 g/mol
Exact mass	141.9221
Grade	Puriss
Purity / assay	≥99%
HSN code	28091000
InChIKey	YWEUIGNSBFLMFL-UHFFFAOYSA-N
SMILES	O=P(=O)OP(=O)=O
PubChem CID	6326975

Physical properties
Physical form	Powder
Appearance	White powder
Melting point	340 °C
Density	2.3 g/mL at 25 °C
LogP (XLogP3)	-2.1
H-bond donors / acceptors	0 / 5
TPSA	77.5 Å²
UN number	UN 1807
Synonyms	Phosphoric anhydride, Phosphorus(V) oxide, diphosphonate, Phosphorus (V) pentoxide, diphosphonate(2-), Phosphorus oxide (P2O5), O5P2, Phosphorus (V) oxide, P2H2O5(2-), mu-oxido-bis(hydridodioxidophosphate)(2-)

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1314-56-3

Extra Pure

Phosphorous pentoxide, 98%

CAS: 1314-56-3
Formula: O₅P₂
MW: 141.94 g/mol

VQ-000922

AR

Phosphorous pentoxide, GR 98%+

CAS: 1314-56-3
Formula: O₅P₂
MW: 141.94 g/mol

VQ-000924

ACS

Phosphorous pentoxide, powder, ACS reagent, 99%

CAS: 1314-56-3
Formula: O₅P₂
MW: 141.94 g/mol

VQ-000925

Puriss

Phosphorus(V) oxide, 99.99%

CAS: 1314-56-3
Formula: O₅P₂
MW: 141.94 g/mol

VQ-000928

Puriss

Phosphorus(V) oxide, 99.995%

CAS: 1314-56-3
Formula: O₅P₂
MW: 141.94 g/mol

VQ-000929

Frequently asked questions

What is the CAS number of Phosphorous pentoxide, 99%?

The CAS Registry Number of Phosphorous pentoxide, 99% is 1314-56-3. It is also known as Phosphoric anhydride, Phosphorus(V) oxide, diphosphonate.

What is the molecular formula and molecular weight of Phosphorous pentoxide, 99%?

Phosphorous pentoxide, 99% has the molecular formula O5P2 and a molecular weight of 141.94 g/mol.

Which grade and pack sizes of Phosphorous pentoxide, 99% can I order?

We supply Phosphorous pentoxide, 99% in Puriss (≥99%) grade, in 100 g, 500 g, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phosphorous pentoxide, 99%?

Yes. Every lot of Phosphorous pentoxide, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Phosphorous pentoxide, 99% be shipped internationally?

Yes. Phosphorous pentoxide, 99% is classified as hazardous (UN 1807), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.