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
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 |
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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. |
Documents & Inquiry
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Technical Data Sheet
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Safety Data Sheet
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Grade, Sample & Qualification Support
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