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336602

Sigma-Aldrich

Niobium(V) chloride

≥99.9% trace metals basis

Synonym(s):

Niobium pentachloride

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About This Item

Linear Formula:
NbCl5
CAS Number:
10026-12-7
Molecular Weight:
270.17
EC Number:
233-059-8
MDL number:
MFCD00011127
UNSPSC Code:
12352302
PubChem Substance ID:
24860399
NACRES:
NA.23

Assay

≥99.9% trace metals basis

form

crystals and lumps

impurities

≤1,000.0 ppm Trace Metal Analysis

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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Application

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.†

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H314,H335

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

EUH014

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Janet R. Clark et al.
Inorganic chemistry, 36(17), 3623-3631 (1997-08-13)
The mixed chloro-aryloxide compounds [M(OC(6)H(3)Pr(i)(2)-2,6)(2)Cl(3)](2) (M = Nb (1a), Ta (1b); both structurally characterized) and [M(OC(6)H(3)Pr(i)(2)-2,6)(3)Cl(2)] (M = Nb (2a), Ta (2b)) react with pyridine (py) and PMe(2)Ph to produce a series of adducts cis-mer-[MCl(3)(OC(6)H(3)Pr(i)(2)-2,6)(2)(L)] (M, L: Nb, py (3a);

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