V

Vanadium pentoxide

IUPAC: dioxovanadiooxy(dioxo)vanadium

O5V2 Inorganic Compounds CAS 1314-62-1
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Quick Reference
Formula / NotationO5V2
CAS Number1314-62-1
Molecular Weight181.88
Melting Point1274 °F (EPA, 1998)
Boiling Point3182 °F at 760 mmHg decomposition (EPA, 1998)
Density3.357 at 64.4 °F (EPA, 1998) - Denser than water; will sink
Solubilityless than 1 mg/mL at 68 °F (NTP, 1992)
AppearanceVanadium pentoxide appears as a yellow to red crystalline powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be to...
Also Known Asdioxovanadiooxy(dioxo)vanadium; 1314-62-1; Divanadium pentaoxide; Vanadic anhydride; Divanadium pentoxide; Vanadium oxide (V2O5); Vanadin(V) oxide; Vanadiumpentoxid; Vanadic acid anhydride; Vanadiumpentoxyde
CategoryInorganic Compounds

What is Vanadium pentoxide?

Vanadium pentoxide (orthorhombic crystalline form) can cause cancer according to The National Toxicology Program.

Formula & Notation

O5V2

IUPAC Name: dioxovanadiooxy(dioxo)vanadium

Other Names / Synonyms: dioxovanadiooxy(dioxo)vanadium; 1314-62-1; Divanadium pentaoxide; Vanadic anhydride; Divanadium pentoxide; Vanadium oxide (V2O5); Vanadin(V) oxide; Vanadiumpentoxid; Vanadic acid anhydride; Vanadiumpentoxyde

Properties & Characteristics

Appearance: Vanadium pentoxide appears as a yellow to red crystalline powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be to.... Molecular formula: O5V2. Molecular weight: 181.88 g/mol. Boiling point: 3182 °F at 760 mmHg decomposition (EPA, 1998). Melting point: 1274 °F (EPA, 1998). Density: 3.357 at 64.4 °F (EPA, 1998) - Denser than water; will sink. Solubility: less than 1 mg/mL at 68 °F (NTP, 1992). Vapor pressure: Approximately 0 at 68F (EPA, 1998).

Physical Data

PropertyValue
Melting Point1274 °F (EPA, 1998)
Boiling Point3182 °F at 760 mmHg decomposition (EPA, 1998)
Density3.357 at 64.4 °F (EPA, 1998) - Denser than water; will sink
Molecular Weight181.88
Solubilityless than 1 mg/mL at 68 °F (NTP, 1992)
AppearanceVanadium pentoxide appears as a yellow to red crystalline powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be to...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Vanadium pentoxide
Formula O5V2
CAS Number 1314-62-1
Molecular Weight 181.88
Synonyms dioxovanadiooxy(dioxo)vanadium; 1314-62-1; Divanadium pentaoxide; Vanadic anhydride; Divanadium pentoxide; Vanadium oxide (V2O5); Vanadin(V) oxide; Vanadiumpentoxid; Vanadic acid anhydride; Vanadiumpentoxyde

Frequently Asked Questions

Vanadium pentoxide (orthorhombic crystalline form) can cause cancer according to The National Toxicology Program.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.