Hafniumtetrachlorid

Hafnium chloride (HfCl4) (6CI,8CI); Hafnium chloride; Hafnium tetrachloride; Hafnium(IV) chloride; Hafnium chloride (HfCl4), (T-4)-

HCID 9927068

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Grundinformationen

CAS: 13499-05-3
Standard-SMILES: [Cl-].[Cl-].[Cl-].[Cl-].[Hf+4]
InChIKey: PDPJQWYGJJBYLF-UHFFFAOYSA-J
Summenformel: Cl4Hf
Durchschnittliche Molmasse: 320,3 g/mol
Monoisotopische Masse: 319,82196072

Überblick

See also: Hafnium tetrachloride (preferred).

Namen und Bezeichner

Bevorzugter Name: Hafnium chloride (HfCl4) (6CI,8CI); Hafnium chloride; Hafnium tetrachloride; Hafnium(IV) chloride; Hafnium chloride (HfCl4), (T-4)-
IUPAC: hafnium(4+) tetrachloride
Lokaler Name: Hafniumtetrachlorid
Englischer Name: Hafnium(IV) chloride
Summenformel: Cl4Hf
Molmasse: 320.3

Namen und Synonyme

Hafnium chloride (HfCl4) (6CI,8CI); Hafnium chloride; Hafnium tetrachloride; Hafnium(IV) chloride; Hafnium chloride (HfCl4), (T-4)-Cl4Hfhafnium-tetrachlorideSCHEMBL49941NS00086403HfCl4HAFNIUM TETRACHLORIDEHAFNIUM CHLORIDEHafnium chloride(HfCl4)1.0% Zr)0.05% Zr)Formula HfCl4

Weitere Namen anzeigen

JACS-13499-05-3Hafnium(IV) chLTetrachlorohafnium

Datenbank-Bezeichner

CAS: 13499-05-3
PubChem CID: 9927068
DTXSID: DTXSID0065513
UNII: CNZ9V5JM5H
Nikkaji: J95.191I

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA): 0 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 4
Frei drehbare Bindungen: 0
Schwere Atome: 5
Formalladung: 0
Komplexität: 0

Physikochemische Eigenschaften

Schmelzpunkt: 432 °C · 432 °C (lit.)
Siedepunkt: 315.47 °C · 315.47°C (estimate)
Dichte: 1.89 g/cm3 · 1.89 g/cm3
Dampfdruck: 1 mm · 1 mm Hg ( 190 °C)
storage temp.: Inert atmosphere,Room Temperature
Löslichkeit: Soluble in methanol and acetone.
Aggregatzustand: Powder
Farbe: White
Wasserlöslichkeit: Soluble in water, methanol and acetone.
Spezifische Wärmekapazität: 0.38 J/ · Cp(crystal): 0.38 J/(g·K), at 25℃
Merck: 14 · 14,4588
InChI: 1S/4ClH.Hf/h4*1H;/q;;;;+4/p-4
InChIKey: PDPJQWYGJJBYLF-UHFFFAOYSA-J
SMILES: Cl[Hf](Cl)(Cl)Cl
CAS Datenbank: 13499 · 13499-05-3(CAS DataBase Reference)
EPA chemische Informationen: Hafnium chloride (HfCl4), (T-4)- (13499-05-3)

Sicherheit und Regulatorisches

Sicherheitsdaten

F: 9-21
wgk: 3
tsca: TSCA listed
ridadr: UN 3260 8/PG 2
hs_code: 28273985
risk_code: 34
hazard_code: C
safety_code: 26-36/37/39-45
hazard_class: 8
packing_group: II
Speicherklasse: 8B - Non-combustible corrosive hazardous materials
Hazard Classifications: Eye Dam. 1Met. Corr. 1Skin Corr. 1B

Chemie und Industrie

Anwendungen

VerwendenHafnium chloride tetrahydrofuran complex is an efficient catalyst for the Diels-Alder cycloadditions, Ziegler-Natta polymerization of alkenes. It is used as control rods in nuclear reactors and in manufacture of light bulb filaments.

Darstellung · 1 Eintrag

synthetischeHafnium(IV) chloride can be prepared (i) by chlorination of hafnium dioxide in the presence of carbon: HfO2 + 2Cl2 + C → HfCl4 + 2CO It also may be prepared by several other methods, such as (ii) reaction of carbon tetrachloride with hafnium dioxide above 450°C; (iii) heating a mixture of hafnium dioxide and carbon above 700°C; and (iv) reaction of chlorine with hafnium at elevated temperatures.