Niobium nitride (NbN)
Basic information
- CAS
24621-21-4- Standard SMILES
[N]#[Nb]- InChIKey
CFJRGWXELQQLSA-UHFFFAOYSA-N- Molecular formula
- NNb
- Average molar mass
- 106.913 g/mol
- Monoisotopic mass
- 106.90945
Names & identifiers
- Preferred name
- Niobium nitride (NbN)
- IUPAC
- azanylidyneniobium
- English name
- NIOBIUM NITRIDE
- Molecular formula
- NNb
- Molecular weight
- 106.91
Names & synonyms
24621-21-4Niobium nitride (NbN)EINECS 246-362-5RefChem:165971DTXCID801437018DTXSID701014425Niobium nitrideazanylidyneniobiumColumbium nitrideSCHEMBL2066042Q2348812niobium nitrate
Show more names
niobium(III) nitrideNIOBIUM NITRIDE -325 MESHNiobiumnitride(metalsbasis)Niobium Nitride Nanoparticles
Database identifiers
- CAS
24621-21-4- PubChem CID
- 90560
- EC Number
- 246-362-5
- Nikkaji
- J95.124B
Properties
Computed structural properties
- Topological polar surface area
- 23.8 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 0
- Heavy atoms
- 2
- Formal charge
- 0
- Complexity
- 10
Experimental & physicochemical properties
Chemical ClassesMetals -> Metals, Inorganic Compounds
Physical DescriptionBlack odorless powder; [Alfa Aesar MSDS]
Physicochemical properties
- Melting point
- 2573 °C · 2573°C
- Density
- 8 · 8,4 g/cm3
- solubility
- insoluble in HCl, acid solutions
- form
- Powder
- Specific Gravity
- 8.4 · 8.4
- color
- gray crystals, crystalline; cubic
- Resistivity
- 78 · 78 (ρ/μΩ.cm)
- Water Solubility
- Insoluble in water.
- Thermal Conductivity
- 4.184 W/ · 4.184 W/(m·K)
- Crystal Structure
- Cubic
- CAS DataBase Reference
- 24621 · 24621-21-4(CAS DataBase Reference)
- EWG's Food Scores
- 1 · 1
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.
Not Classified
Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.
Hazard information
Hazards SummaryDust causes emphysema and interstitial fibrosis in 13-week constant inhalation studies of rats; [RTECS] May cause irritation; [Alfa Aesar MSDS] See NITRIDES.
Hazard Classes and CategoriesNot Classified
Safety data
- wgk
- WGK 3
- tsca
- TSCA listed
- Storage Class
- 11 - Combustible Solids
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationNiobium nitride (NbN): ACTIVE
Applications
UsesNiobium nitride (NbN) thin films were noticed at an early stage because of their critical transition temperatures as low as 16-17K which could find wide applications in superconducting microelectronics. Because of its complicated phase diagram, NbN is difficult to prepare in the pure face-centered cubic, rocksalt structure.
UsesNiobium nitride is used as superconductor. Used in absorbinganti-reflective coatings. It used to produce arc-welding rods and in steel.
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Compound notes
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