WBr4O

ceramic

· JVASP-5863· WBr4O

WBr₄O is an oxybromide ceramic compound containing tungsten, bromine, and oxygen. This is a specialized research material within the tungsten oxide and halide ceramic family, with limited established industrial deployment; it represents exploratory materials chemistry for applications requiring mixed-valence transition metal ceramics. The material's potential lies in catalytic systems, solid-state ionic conductors, or specialized electronic ceramics where tungsten's multiple oxidation states and bromine's chemical activity could be leveraged, though practical engineering applications remain largely in the research domain.

experimental catalyst materialssolid-state chemistry researchtungsten oxide derivativeshalide ceramic systemshigh-density ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1961	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4010	eV	DFT · OptB88vdW
↳	1.424	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	18.48	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.28	-	DFT · OptB88vdW
↳	8.648	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.09495	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.37	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9526	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.

WBr4O — Properties & Data | MatWorld

WBr4O

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental