400475
Tantalum(V) chloride
99.99% trace metals basis
Synonym(s):
Tantalum pentachloride
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About This Item
Linear Formula:
TaCl5
CAS Number:
Molecular Weight:
358.21
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
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Assay
99.99% trace metals basis
form
powder
reaction suitability
reagent type: catalyst
core: tantalum
impurities
≤150.0 ppm Trace Metal Analysis
density
3.68 g/mL at 25 °C (lit.)
SMILES string
Cl[Ta](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)2Cl3]2, 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.
Preparation Note
Used in the preparation of a simple catalyst for the polycyclotrimerizations of alkenediynes. Used for the plasma-enhanced atomic layer deposition of tantalum nitride films.
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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Zheng, R., et al.
Macromolecules, 37, 5196-5196 (2004)
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Journal of Applied Physiology, 95, 5848-5848 (2004)
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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