P4Os — Properties & Data | MatWorld

P4Os

ceramic

· JVASP-152731· P4Os

P₄O₅ is a phosphorus oxide ceramic compound belonging to the family of phosphate ceramics, characterized by strong covalent bonding and high rigidity. This material is primarily encountered in research and specialty applications rather than high-volume industrial use, where it serves as a precursor to phosphoric acid production, a component in glass formulations, and a desiccant in laboratory settings. Engineers select phosphorus oxide ceramics for applications requiring chemical stability, moisture absorption capability, and thermal processing compatibility, though commercial use typically favors more established alternatives like silica-based ceramics or engineered phosphate composites.

glass and ceramic formulationslaboratory desiccantschemical processing catalystsphosphoric acid productionresearch materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	155.4	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	116.9	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	6.495	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.358	eV	DFT · OptB88vdW
↳	1.669	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	13.84	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	29.74	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3874	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

P4Os

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental