215791
Niobium(V) chloride
99%
Synonym(s):
Niobium pentachloride
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About This Item
Linear Formula:
NbCl5
CAS Number:
Molecular Weight:
270.17
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
233-059-8
MDL number:
Assay:
99%
Form:
powder
Quality Level
assay
99%
form
powder
reaction suitability
core: niobium
technique(s)
FTIR: suitable
bp
254 °C (lit.)
mp
204.7 °C (lit.)
density
2.75 g/mL at 25 °C (lit.)
SMILES string
Cl[Nb](Cl)(Cl)(Cl)Cl
InChI
1S/5ClH.Nb/h5*1H;/q;;;;;+5/p-5
InChI key
YHBDIEWMOMLKOO-UHFFFAOYSA-I
General description
Niobium(V) chloride is a yellow crystalline solid with a high melting point. It is widely used in the field of catalysis, semiconductor devices, and batteries. It is a highly specialized Lewis acid in chemical synthesis, activating alkenes for the carbonyl-ene reaction and the Diels-Alder process.
Application
Niobium(V) chloride can be used:
- As a precursor to prepare K2NbF7:Mn4+ red phosphors for white light-emitting diode(LED) devices.
- As a Lewis acid to synthesize fluorescein dye derivatives for dye-sensitized solar cells.
- As a dopant to enhance the thermoelectric properties of n-type tin selenide.
- As a precursor to synthesize Nb2O5 microspheres and TiNb2O7 nanoparticles as high-rate capability and long-cycle-life anode materials for lithium-ion batteries .
Used to form mixed chloro-aryloxide compounds, such as [Nb(OC6H3-2,6-i-Pr2)2Cl3]2, which form pyridine or phosphine adducts with a distorted six-coordinate geometry.†
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
supp_hazards
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Regulatory Information
危险化学品
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TiNb2O7 nanoparticles assembled into hierarchical microspheres as high-rate capability and long-cycle-life anode materials for lithium ion batteries
Hongsen Li, et al.
Nanoscale, 7, 619-624 (2015)
NbCl5-Promoted Synthesis of Fluorescein Dye Derivatives: Spectroscopic and Spectrometric Characterization and Their Application in Dye-Sensitized Solar Cells
Bruno Henrique Sacoman Torquato da Silva, et al.
ChemPlusChem, 82, 261-269 (2017)
A green synthetic route to K2NbF7:Mn4+ red phosphor for the application in warm white LED devices
Hong Ming, et al.
Optical Materials, 86, 352-359 (2018)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 215791-10G | 04061835561667 |
| 215791-50G | 04061838773951 |