English Name:HAFMIUM TETRACHLORIDE Electrical grade
Appearance:White or light granular
CAS NO:13499-05-3
Chemical formula: Cl4Hf
Molecular Weight: 320.3
EINECS:236-826-5
Assay:99.5%
Melting:319℃
Boiling point:315.47℃(estimate)
Density:3.46g/ml at 25℃(lit)
Wt.% major elements:Hf;Theoretical value:55.7255;The actual results:55.4108.
Wt.%Impurity elements:Al;The actual results:0.0012
Cr;The actual results:0.0001
Cu;The actual results:0.0004
Fe;The actual results:0.0016
Mg;The actual results:0.0003
Mn;The actual results:0.0001
Mo;The actual results:0.0002
Nb;The actual results:0.0004
Ni;The actual results:0.0008
Sb;The actual results:0.0003
Si;The actual results:0.0013
Ti;The actual results:0.0001
V;The actual results:0.0001
Zr;The actual results:0.1134
Remarks: The product is easy to deliquescent, hydrogen chloride acid mist is produced in moist air, it should be stored and operated under the protection of inert atmosphere.
Application: used as intermediate, catalyst, semi-conductor and so on .
Packing; 10kg drum or as per customers’ requirement.
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