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CAS No.: | 12055-23-1 |
---|---|
Name: | HAFNIUM OXIDE |
Article Data: | 1 |
Molecular Structure: | |
Formula: | HfO2 |
Molecular Weight: | 210.489 |
Synonyms: | Hafnia;Hafnia (HfO2);Hafnium dioxide;Hafnium dioxide (HfO2);Hafnotrast;Hf 05;Hf 05 (oxide);NSC 158931; |
EINECS: | 235-013-2 |
Density: | 9.68 g/mL at 25 °C(lit.) |
Melting Point: | 2810 °C |
Solubility: | Insoluble in water. |
Appearance: | powder |
Safety: | 22-24/25 |
PSA: | 34.14000 |
LogP: | -0.23760 |
Conditions | Yield |
---|---|
In gaseous matrix laser-ablated Hf atoms were reacted with H2O2 molecules in excess argon during condensation onto a 10 K cesium iodide window; Andrews, L. Chem. Soc. Rev., 2004, 33, 123; detected by IR spectra; |
hydrogen
oxygen
A
hafnium dioxide
B
hafnium hydroxide
D
hafnium dihydroxide
E
HfH2
Conditions | Yield |
---|---|
In gaseous matrix byproducts: HfH4; other Radiation; laser-ablated Hf atoms were reacted with H2 and O2 molecules in excess argon full-arc irradiation and annealin to 24-30 K; Andrews, L. Chem. Soc. Rev., 2004, 33, 123; detected by IR spectra; |
The Hafnium oxide (HfO2), with its CAS registry number 12055-23-1, has the systematic name of dioxohafnium. It has the molecular foumula of HfO2 and the formula weight of 210.49. And it belongs to the product categories which include Inorganics; Hafnium; Metal and Ceramic Science; Oxides. When you are using this chemical, you should avoid contacting with skin and eyes and then do not breathe dust. This chemical is stable when in normal temperature and normal pressure. When keep this chemical, store it in the cool and well-ventilated place, away from the acid. When comes to its usage, it is often used in the spectral analysis, catalyst system and resistance material.
The characteristics of Hafnium oxide (HfO2) are as follows: (1)#H bond acceptors: 2; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 34.14. As to its producing method, the hafnium could react with oxygen to produce hafnium oxide.
What's more, the following datas could be converted into the molecular structure:
(1)SMILES:O=[Hf]=O
(2)InChI:InChI=1/Hf.2O/rHfO2/c2-1-3
(3)InChIKey:CJNBYAVZURUTKZ-MSHMTBKAAI
(4)Std. InChI:InChI=1S/Hf.2O
(5)Std. InChIKey:CJNBYAVZURUTKZ-UHFFFAOYSA-N