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ChemicalBook--->CAS DataBase List--->12069-94-2

12069-94-2

12069-94-2 Structure

12069-94-2 Structure
IdentificationBack 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 PropertiesBack 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.
[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.
[EPA Substance Registry System]

Niobium carbide (NbC)(12069-94-2)
Safety DataBack Directory
[RIDADR ]

UN3178
[WGK Germany ]

3
[TSCA ]

Yes
[HazardClass ]

4.1
[PackingGroup ]

III
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Carbon Black-->Niobium oxide-->GRAPHITE, FUSION CRUCIBLE, DRILLPOINT, UNPURIFIED, VOLUME 7.88CC-->Tungsten wire, gold plated, 0.025mm (0.001in) dia, W 99.95% (metals basis), Au 99.99%-->NIOBIUM(V) CHLORIDE-->NIOBIUM
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Niobium carbide(12069-94-2).msds
Hazard InformationBack 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
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