510688

Sigma-Aldrich

Tantalum(V) chloride

anhydrous, powder, 99.999% trace metals basis

Synonym(s):
Tantalum pentachloride
Linear Formula:
TaCl5
CAS Number:
Molecular Weight:
358.21
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

grade

anhydrous

assay

99.999% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: tantalum

mp

217 °C (lit.)

solubility

ethanol: slightly soluble(lit.)

density

3.68 g/mL at 25 °C (lit.)

SMILES string

ClTa(Cl)(Cl)(Cl)Cl

InChI

1S/5ClH.Ta/h5*1H;/q;;;;;+5/p-5

InChI key

OEIMLTQPLAGXMX-UHFFFAOYSA-I

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Application

Used to form mixed chloro-aryloxide compounds, such as Ta(OC6H3-2,6-i-Pr2)2Cl32, which form pyridine or phosphine adducts with a distortedsix-coordinate geometry. Also used as a starting material for new edge-bridged octahedral M6 cluster compounds such as CsErTa6Cl18, for which electron and stability studies were performed.

Packaging

5, 25 g in ampule

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Target Organs

Respiratory system

Supp Hazards

EUH014

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

C

Risk Statement

22-34

Safety Statement

26-36/37/39-45

RIDADR

UN 3260 8 / PGII

WGK Germany

WGK 3

Certificate of Analysis
Certificate of Origin
Ogliaro, F. et al.
Inorganic Chemistry, 37, 6199-6199 (1998)
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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