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Sigma-Aldrich

Hafnium(IV) chloride

98%

Synonyme(s) :

Hafnium tetrachloride, Tetrachlorohafnium

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About This Item

Formule linéaire :
HfCl4
Numéro CAS:
13499-05-3
Poids moléculaire :
320.30
Numéro CE :
236-826-5
Numéro MDL:
MFCD00011034
Code UNSPSC :
12352302
ID de substance PubChem :
24855637
Nomenclature NACRES :
NA.23

Pression de vapeur

1 mmHg ( 190 °C)

Pureté

98%

Forme

powder

Pf

432 °C (lit.)

Solubilité

H2O: decomposes(lit.)

Chaîne SMILES 

Cl[Hf](Cl)(Cl)Cl

InChI

1S/4ClH.Hf/h4*1H;/q;;;;+4/p-4

Clé InChI

PDPJQWYGJJBYLF-UHFFFAOYSA-J

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Catégories apparentées

Description générale

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.

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.

Pictogrammes

Corrosion
GHS05

Mention d'avertissement

Danger

Mentions de danger

H290,H314

Classification des risques

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1

Risques supp

EUH014

Code de la classe de stockage

8A - Combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Certificats d'analyse (COA)

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Sigma-Aldrich

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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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