215791
Niobium(V) chloride
99%
Synonym(s):
Niobium pentachloride
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About This Item
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Quality Level
Assay
99%
form
powder
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
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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.†
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
Target Organs
Respiratory system
Supplementary Hazards
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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