1.0 2016-05-19 03:07:37 UTC 2026-05-14 20:03:43 UTC Hafnium oxide SmallMolecule Hafnium oxide is an inorganic compound with the chemical formula $\text{HfO}_2$ and an average molecular weight of 210.49 g/mol. Hafnium oxide belongs to the miscellaneous mixed metal/non-metals, a class of mixed metal/non-metal compounds within the inorganic compounds. The compound is associated with 27 recorded sources of occurrence or release. Within the category of electrical and electronic equipment, it is found in antennas, amplifiers, adjustable resistors, coils, auxiliary devices, and 16 additional sources. In the context of food, food processing, and cookware, hafnium oxide is released during the processing of meats, the processing of fish, the preparation of wort, and the preparation of wine or sparkling wine. Other recorded sources include key rings among household items and ceilings within building and construction. HfO2 210.49 211.93639 12055-23-1 O=[Hf]=O InChI=1S/Hf.2O/q+4;2*-2 WIHZLLGSGQNAGK-UHFFFAOYSA-N Detected and Not Quantified logp -0.65 average_mass 210.49 ChemAxon mono_mass 211.93639 ChemAxon smiles O=[Hf]=O ChemAxon formula HfO2 ChemAxon inchi InChI=1S/Hf.2O/q+4;2*-2 ChemAxon inchikey WIHZLLGSGQNAGK-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bae6c7aa0> DB17508 292779