NIOBIUM BORIDE
- CAS NO.：12045-19-1
- Empirical Formula: BNb
- Molecular Weight: 103.72
- MDL number: MFCD00016235
- EINECS: 234-958-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:58:34
What is NIOBIUM BORIDE?
Chemical properties
gray powder(s); ortho-rhomb, a=0.3298 nm, b=0.872 nm, c=0.3166nm; resistivity 64.5μοhm· cm at 25°C; refractory material; commonly prepared by hot-pressing boron with niobium or niobium hydride; used as sputtering target with 99.5% purity to produce wear-resistant and semiconductor films, and can provide neutron absorbing layers on nuclear fuel pellets [KIR78] [KIR81] [CER91] [ALF93]
Physical properties
Wear-resistant ; Major uses: semiconductive films, neutron-absorbing layer on nuclear fuel pellets
Properties of NIOBIUM BORIDE
| Melting point: | 2270°C |
| Density | 7.500 |
| form | gray orthorhombic crystals |
| color | gray orthorhombic crystals, crystalline |
| Resistivity | 40–64.5 (ρ/μΩ.cm) |
| Crystal Structure | Orthorhombic |
| CAS DataBase Reference | 12045-19-1 |
| EPA Substance Registry System | Niobium boride (NbB) (12045-19-1) |
Safety information for NIOBIUM BORIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for NIOBIUM BORIDE
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