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
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-755-6
MDL number:
Assay:
99.99% trace metals basis
Form:
powder
Quality Segment
assay
99.99% trace metals basis
form
powder
reaction suitability
core: tantalum, reagent type: catalyst
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
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.
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
Target Organs
Respiratory system
supp_hazards
Storage Class
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
PPE (personal protective equipment)
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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