Hafnium tetrachloride

Hafnium(IV) chloride
Names
	IUPAC names Hafnium(IV) chloride; Hafnium tetrachloride
Identifiers
CAS Number	13499-05-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	34591 ;
ECHA InfoCard	100.033.463
PubChem CID	37715;
UNII	CNZ9V5JM5H ;
CompTox Dashboard (EPA)	DTXSID0065513 ;
	InChI InChI=1S/4ClH.Hf/h41H;/q;;;;+4/p-4 Key: PDPJQWYGJJBYLF-UHFFFAOYSA-J ; InChI=1/4ClH.Hf/h41H;/q;;;;+4/p-4 Key: PDPJQWYGJJBYLF-XBHQNQODAR;
	SMILES Cl[Hf](Cl)(Cl)Cl;
Properties
Chemical formula	HfCl4
Molar mass	320.302 g/mol
Appearance	white crystalline solid
Density	3.89 g/cm3
Melting point	432 °C (810 °F; 705 K)
Solubility in water	decomposes
Vapor pressure	1 mmHg at 190 °C
Structure
Crystal structure	Monoclinic, mP10
Space group	C2/c, No. 13
Lattice constant	a = 0.6327 nm, b = 0.7377 nm, c = 0.62 nm
Coordination geometry	4
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	irritant and corrosive
Flash point	Non-flammable
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2362 mg/kg (rat, oral)
Safety data sheet (SDS)	MSDS
Related compounds
Other anions	Hafnium tetrafluoride; Hafnium(IV) bromide; Hafnium(IV) iodide
Other cations	Titanium(IV) chloride; Zirconium(IV) chloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Hafnium(IV) chloride is the inorganic compound with the formula HfCl₄. This colourless solid is the precursor to most hafnium organometallic compounds. It has a variety of highly specialized applications, mainly in materials science and as a catalyst.

Names

IUPAC names Hafnium(IV) chloride Hafnium tetrachloride
Identifiers
CAS Number	13499-05-3^Y
3D model (JSmol)	Interactive image
ChemSpider	34591^Y
ECHA InfoCard	100.033.463
PubChem CID	37715
UNII	CNZ9V5JM5H^Y
CompTox Dashboard (EPA)	DTXSID0065513
InChI InChI=1S/4ClH.Hf/h41H;/q;;;;+4/p-4^Y Key: PDPJQWYGJJBYLF-UHFFFAOYSA-J^Y InChI=1/4ClH.Hf/h41H;/q;;;;+4/p-4 Key: PDPJQWYGJJBYLF-XBHQNQODAR
SMILES Cl[Hf](Cl)(Cl)Cl
Properties
Chemical formula	HfCl₄
Molar mass	320.302 g/mol
Appearance	white crystalline solid
Density	3.89 g/cm³
Melting point	432 °C (810 °F; 705 K)
Solubility in water	decomposes
Vapor pressure	1 mmHg at 190 °C
Structure
Crystal structure	Monoclinic, mP10
Space group	C2/c, No. 13
Lattice constant	a = 0.6327 nm, b = 0.7377 nm, c = 0.62 nm
Coordination geometry	4
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	irritant and corrosive
Flash point	Non-flammable
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	2362 mg/kg (rat, oral)
Safety data sheet (SDS)	MSDS
Related compounds
Other anions	Hafnium tetrafluoride Hafnium(IV) bromide Hafnium(IV) iodide
Other cations	Titanium(IV) chloride Zirconium(IV) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references