Niobium(IV)oxide , ≥99% , 12034-59-2

Synonym(s):
Niobium dioxide;Niobium dioxide (NbO₂ );Niobium oxide (Nb₂ O₄ )

CAS NO.：12034-59-2

Empirical Formula: NbO2

Molecular Weight: 124.91

MDL number: MFCD00016242

EINECS: 234-809-7

PRODUCT Properties

• Melting point: 1901°C
• Density: 5.9 g/mL at 25 °C(lit.)
• form: Powder
• Specific Gravity: 5.9
• color: white tetragonal crystals, crystalline or powder
• Water Solubility: Insoluble in water.
• crystal system: square
• Space group: I41/a
• Lattice constant:
  • a/nm: 1.371
  • b/nm: 1.371
  • c/nm: 0.5985
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 1.125

Description and Uses

Niobium(IV) oxide is used as a reducing agent, which reduces carbon dioxide and sulfur dioxide to carbon and sulfur respectively. It finds application in dielectric material for electronic capacitors. It is also used for manufacturing metal niobium metal, in optical glass and in electronic industry.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P271-P280
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• TSCA: Yes
• HS Code: 2825908590