What is Vanadium(III) Oxide?
Vanadium(III) Oxide
Vanadium(III) Oxide (V2O3) is an evidence-pending lower-valence vanadium oxide for phase, IR-shielding, and catalysis research review.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-06-18
Quick Answer
Vanadium(III) Oxide (V2O3) is a lower-valence vanadium oxide research material. It is not the VO2 thermochromic route or the V2O5 electrochromic electrode route, and any optical-control use remains evidence-pending.
What It Is Not
- Vanadium(III) Oxide is V2O3, not VO2, V2O5, or V4O7.
When Not to Use It
- Do not use V2O3 when VO2 thermochromic switching or V2O5 feedstock chemistry is the required function.
Intrinsic Screening Summary
- Identity screen
- V2O3; Black vanadium oxide powder
- Material-level integration
- Use when evaluating evidence-pending IR Shielding Coatings or Catalysis formulations and phase-review systems.
Application Fit
Selection & Validation Framework
| Decision Question | Material-Level Answer |
|---|---|
| Integration and processing criteria | Required for: IR Shielding Coatings and Catalysis. Measure: visible transmission; haze; color coordinates; NIR transmission; particle distribution; settling; redispersion; adhesion; film continuity; aging durability; storage stability; moisture exposure. Sample state: final coating thickness. Failure signals: Use when evaluating evidence-pending IR Shielding Coatings or Catalysis formulations and phase-review systems.. |
Material Identity & Specification Status
Approved values for Particle size, Purity, and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | V2O3 |
| CAS / identity | 1314-34-7 |
| Morphology | Black vanadium oxide powder |
| Density | 4.87 g/cm3 intrinsic V2O3 density |
| Storage | Dry sealed container |
Compare Material Routes
Technical Guides
| Technical Guide | Summary |
|---|---|
| Acid Composition, Vanadium Concentration, Temperature, and Electrolyte Precipitation | Acid Composition, Vanadium Concentration, Temperature, and Electrolyte Precipitation — a method-conditioned engineering guide for Vanadium Feedstocks for Redox-Flow Battery Electrolyte Production covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Controlling Vanadium Oxidation State and Electrolyte Balance During Production | Controlling Vanadium Oxidation State and Electrolyte Balance During Production — a method-conditioned engineering guide for Vanadium Feedstocks for Redox-Flow Battery Electrolyte Production covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Converting Vanadium Pentoxide, Vanadium(III) Oxide, and Ammonium Metavanadate into Electrolyte | Converting Vanadium Pentoxide, Vanadium(III) Oxide, and Ammonium Metavanadate into Electrolyte — a method-conditioned engineering guide for Vanadium Feedstocks for Redox-Flow Battery Electrolyte Production covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Diagnosing Incomplete Vanadium Dissolution, Insolubles, and Conversion-Yield Loss | Diagnosing Incomplete Vanadium Dissolution, Insolubles, and Conversion-Yield Loss — a method-conditioned engineering guide for Vanadium Feedstocks for Redox-Flow Battery Electrolyte Production covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Dissolution, Filtration, Acid Handling, Water Quality, and Contamination Control at Scale | Dissolution, Filtration, Acid Handling, Water Quality, and Contamination Control at Scale — a method-conditioned engineering guide for Vanadium Feedstocks for Redox-Flow Battery Electrolyte Production covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
Commercial Availability
Supplier role: Request confirmation
Supply status: Request confirmation
Sample status: Sample availability requires confirmation
Commercial details are not published until the source and verification fields are complete and the Supplier Data Packet is signed by the sales owner, technical reviewer, and resource/compliance owner. Request current grade, form, sample, packaging, and delivery confirmation.
Documents & Inquiry
Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.
Technical Data Sheet
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Safety Data Sheet
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Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.
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