13759-17-6 Dichlorooxohafnium EINECS 237-345-3 HAFNIUM CHLORIDE OXIDE Hafnium chloride (HFOCl2) (6CI) Hafnium chloride oxide (HfCl2O) Hafnium dichloride monoxide Hafnium dichloride oxide Hafnium monoxide dichloride Hafnium oxychloride Hafnyl chloride