V

Vanadium

IUPAC: Vanadium

V Elements CAS 7440-62-2
Quick Reference
Formula / NotationV
CAS Number7440-62-2
Molecular Weight50.94
Melting Point1910.0
Boiling Point3407.0
Density6.11
SolubilityInsoluble in water
AppearanceHard, silvery-grey, lustrous metal
Also Known AsV, vanadium metal
CategoryElements

What is Vanadium?

Vanadium is a hard, silvery-grey transition metal, atomic number 23. Its compounds exhibit a remarkable range of colours as oxidation state changes from +2 to +5. Used in vanadium steel alloys and vanadium redox flow batteries for energy storage.

Formula & Notation

V

IUPAC Name: Vanadium

Other Names / Synonyms: V, vanadium metal

Properties & Characteristics

Atomic number: 23. Atomic mass: 50.942 g/mol. Period 4, Group 5. Melting point: 1910 C. Boiling point: 3407 C. Density: 6.11 g/cm3. Electronegativity: 1.63. Oxidation states: +2, +3, +4, +5. V2O5: important catalyst. Two stable isotopes: V-50 (0.25%), V-51 (99.75%).

Physical Data

PropertyValue
Melting Point1910.0
Boiling Point3407.0
Density6.11
Molecular Weight50.94
SolubilityInsoluble in water
AppearanceHard, silvery-grey, lustrous metal

Uses & Applications

Vanadium steel alloys (springs, cutting tools, high-strength steel). Vanadium redox flow batteries (grid energy storage). V2O5 catalyst in H2SO4 manufacture (Contact Process). Titanium alloys (Ti-6Al-4V). Ceramics and glass colouring.

Safety Information

Vanadium compounds are moderately to highly toxic. V2O5 (vanadium pentoxide): toxic by inhalation (TLV: 0.05 mg/m3), irritant, possible carcinogen. Soluble vanadium salts: toxic, affect respiratory tract. Handle with appropriate respiratory protection.

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

Key Facts

Term Vanadium
Formula V
CAS Number 7440-62-2
Molecular Weight 50.94
Category Elements
Synonyms V, vanadium metal

Frequently Asked Questions

Vanadium is a hard, silvery-grey transition metal, atomic number 23. Its compounds exhibit a remarkable range of colours as oxidation state changes from +2 to +5. Used in vanadium steel alloys and vanadium redox flow batteries for energy storage.

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