| Identification | Back Directory | [Name]
Niobium carbide | [CAS]
12069-94-2 | [Synonyms]
NIOBIUM CARBIDE
COLUMBIUM CARBIDE
niobiumcarbide(nbc)
Niobium(IV) carbide
Niobium monocarbide
SILICON, PIECES, 99.95%
Niobium carbide, 99+% (metals basis) | [EINECS(EC#)]
235-117-8 | [Molecular Formula]
CHNb | [MDL Number]
MFCD00016237 | [MOL File]
12069-94-2.mol | [Molecular Weight]
105.93 |
| Chemical Properties | Back Directory | [Appearance]
Lavender-gray powder.Insoluble in water and in all
acids except a mixture of nitric acid and hydrogen
fluoride | [Melting point ]
3500°C | [Boiling point ]
4300°C | [density ]
7.6 g/mL at 25 °C(lit.)
| [solubility ]
insoluble in H2O, acid solutions | [form ]
Powder | [color ]
White | [Specific Gravity]
7.6 | [Resistivity]
51.1–74.0 (ρ/μΩ.cm) | [Water Solubility ]
Insoluble in water. | [Thermal Conductivity]
33.472 W/(m·K) | [Crystal Structure]
Cubic, NaCl Structure | [Uses]
niobium carbide (NbC) is extremely hard refractory materials. TiC, ZrC, VC and NbC are commercially used in tool bits for cutting tools. HfC and NbC can also be used as refractory coatings in nuclear reactors. | [Hardness, Rockwell A]
90, at RT | [Modulus of Elasticity]
330 - 537 GPa | [Poissons Ratio]
0.22 (@Temperature 23.0 °C )
0.25 (@Temperature 1930 °C ) | [Shear Modulus]
197 - 245 GPa | [Vickers Microhardness]
2400 | [EPA Substance Registry System]
Niobium carbide (NbC)(12069-94-2) |
| Hazard Information | Back Directory | [Chemical Properties]
Lavender-gray powder.Insoluble in water and in all
acids except a mixture of nitric acid and hydrogen
fluoride | [Physical properties]
Lavender gray powder, soluble
in HF-HNO3 mixture. Wear resistant film, coating graphite
in nuclear reactors. Oxidation in
air becomes severe only above
1000°C. | [Application]
niobium carbide (NbC) is extremely hard refractory materials. TiC, ZrC, VC and NbC are commercially used in tool bits for cutting tools. HfC and NbC can also be used as refractory coatings in nuclear reactors. | [Flammability and Explosibility]
Nonflammable |
|
| Company Name: |
Alfa Aesar
|
| Telephone: |
400-6106006 |
| Website: |
http://chemicals.thermofisher.cn |
| Company Name: |
Energy Chemical
|
| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
|