258202
Hafnium(IV) chloride
98%
Synonym(s):
Hafnium tetrachloride, Tetrachlorohafnium
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About This Item
Linear Formula:
HfCl4
CAS Number:
Molecular Weight:
320.30
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
236-826-5
MDL number:
Assay:
98%
Form:
powder
Solubility:
H2O: decomposes(lit.)
Product Name
Hafnium(IV) chloride, 98%
InChI key
PDPJQWYGJJBYLF-UHFFFAOYSA-J
InChI
1S/4ClH.Hf/h4*1H;/q;;;;+4/p-4
SMILES string
Cl[Hf](Cl)(Cl)Cl
vapor pressure
1 mmHg ( 190 °C)
assay
98%
form
powder
reaction suitability
core: hafnium
mp
432 °C (lit.)
solubility
H2O: decomposes(lit.)
Quality Level
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Application
Hafnium(IV) chloride can be used as:
- A precursor in the synthesis of lithium hafnium phosphate, which is a solid electrolyte material used in lithium batteries due to its high ionic conductivity and chemical stability.
- A catalyst in the acetalization process of various carbonyl compounds, including aldehydes and ketones.
- A catalyst in the direct ester condensation of carboxylic acids with alcohols.
- A high-capacity cathode material for lithium and sodium-ion batteries.
General description
Hafnium(IV) chloride, also known as hafnium tetrachloride, is commonly used as a precursor in the production of hafnium metal and various hafnium compounds. Additionally, it serves as a catalyst in certain organic synthesis reactions. Due to its reactivity and sensitivity to moisture, hafnium(IV) chloride is typically handled under an inert atmosphere.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1
supp_hazards
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
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Direct condensation of carboxylic acids with alcohols catalyzed by hafnium (IV) salts.
Ishihara K, et al.
Science, 290.5494, 1140-1142 (2000)
Visualization of the cytoskeletal elements in tissue culture cells by bloc-staining with hafnium chloride after rapid freezing and freeze-substitution fixation.
T Hatae et al.
Journal of electron microscopy, 33(2), 186-190 (1984-01-01)
Guoguang Liu et al.
Biomacromolecules, 9(3), 949-953 (2008-02-15)
The feasibility of a previously established method based on ozonolysis and hydrogenation reactions for the production of 9-hydroxynonanoic acid from oleic acid has been demonstrated. Metal catalyzed lactonization conditions have been used to convert 9-hydroxynonanoic acid into 1,11-dioxacycloicosane-2,12-dione, which is
Lutz Ackermann et al.
Organic & biomolecular chemistry, 5(12), 1975-1978 (2007-06-07)
Two distinct economical catalysts for intramolecular hydroaminations of electronically unactivated alkenes with basic amines are described, which are based on (a) group 4 metal halides under basic reaction conditions or (b) Brønsted-acid organocatalysts.
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