Vanadium

CAS Number
7440-62-2
EC Number
231-171-1

What is Vanadium?

Vanadium (CAS 7440-62-2) is a transition metal supplied in elemental form for metallurgical, catalytic, and energy storage applications.

Where is Vanadium used?

  • Steel and titanium alloys: increases hardness and tensile strength
  • High-strength structural steels for automotive frames, pipelines, and aerospace components
  • Refineries: vanadium-based catalysts in fluid catalytic cracking
  • Sulfuric acid production: drives key oxidation reactions
  • Vanadium redox flow batteries: elemental vanadium as primary electrolyte feedstock
  • Polymerization: catalyst precursor for ethylene-propylene rubbers and specialty polymers
  • It functions primarily as an alloying agent and catalyst component.

Good to know: Its addition modifies the performance characteristics of end materials at relatively low concentrations. Purity grades range from technical to high-purity (99.5%+) for demanding catalytic and battery applications.

Commercial specifications

  • Purity grades: technical to high-purity (99.5%+)
  • Technical grade for metallurgical use; high-purity grades for chemical and energy storage
  • Packaging in sealed containers to prevent oxidation during storage and transit

Other Names (Synonyms)

element 23|23V|Vanadium, elemental|VANADIUM ION|Vanadium metallicum|vanadio|00J9J9XKDE|vanadium(3+) ion

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What are the physical properties of Vanadium?

Melting Point 1917 °C
Boiling Point 3407 °C
Density 6.11 g/cm³ @ Temp: 18.7 °C
Appearance Silvery-white ductile solid. Insoluble in water; resistant to corrosion, but soluble in nitric, hydrofluoric, and concentrated sulfuric acids; attacked by alkali, forming water-soluble vanadates. Acts as either a metal or a nonmetal and forms a variety of
Color Silver-gray
Form turnings
Water Solubility insoluble H2O; reacts with hot H2SO4, HF, HNO3, aqua regia [MER06]
Vapor Pressure 8 mm Hg ( 20 °C)
pH 0.5 (20°C in H2O)

Which trade and regulatory codes apply to Vanadium?

HS Code 8112 92 91
UN Number 3289
ADR Class 6.1
Packing Group II
Storage Class 13 - Non Combustible Solids
WGK (Germany) 3
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