W2O3 — Properties & Data | MatWorld

W2O3

ceramic

· W2O3

W2O3 is a tungsten oxide ceramic compound that exists primarily in research and specialized applications rather than as a commodity material. This mixed-valence oxide belongs to the tungsten oxide family, which is of interest for its electrical, optical, and catalytic properties; W2O3 specifically is relatively uncommon compared to more stable tungsten oxides like WO3. While industrial deployment remains limited, tungsten oxides are actively investigated for energy storage, electrochromic devices, and catalytic applications where their variable oxidation states and electronic properties offer potential advantages over conventional ceramics.

research and developmentelectrochromic coatingscatalytic applicationsenergy storage materialsrefractory compositions

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · PBE
Magnetic Moment(μB)	0.8350	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5320	eV/atom	DFT

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.

W2O3

Electrical Properties

Other Properties

Regulatory Screening

Environmental