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215791

Niobium(V) chloride

99%

Synonym(s):

Niobium pentachloride

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About This Item

Linear Formula:
NbCl5
CAS Number:
10026-12-7
Molecular Weight:
270.17
NACRES:
NA.23
PubChem Substance ID:
24852915
UNSPSC Code:
12352302
EC Number:
233-059-8
MDL number:
MFCD00011127
Assay:
99%
Form:
powder
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Quality Segment

100

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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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH014

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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