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12055-23-1 molecular structure
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dioxohafnium

ChemBase ID: 127643
Molecular Formular: HfO2
Molecular Mass: 210.4888
Monoisotopic Mass: 211.93637924
SMILES and InChIs

SMILES:
O=[Hf]=O
Canonical SMILES:
O=[Hf]=O
InChI:
InChI=1S/Hf.2O
InChIKey:
CJNBYAVZURUTKZ-UHFFFAOYSA-N

Cite this record

CBID:127643 http://www.chembase.cn/molecule-127643.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
dioxohafnium
IUPAC Traditional name
hafnia
Synonyms
Hafnium(IV) oxide
Hafnium dioxide
Hafnia
Hafnium(IV) oxide
氧化铪(IV)
CAS Number
12055-23-1
EC Number
235-013-2
MDL Number
MFCD00003565
PubChem SID
162221961
24852038
24873674
24852168
PubChem CID
292779
Chemspider ID
258363
Wikipedia Title
Hafnium(IV)_oxide

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
H Acceptors H Donor
LogD (pH = 5.5) -0.7028  LogD (pH = 7.4) -0.7028 
Log P -0.7028  Molar Refractivity 2.8858 cm3
Polarizability 8.775451 Å3 Polar Surface Area 34.14 Å2
Rotatable Bonds Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
insoluble in water expand Show data source
Apperance
off-white powder expand Show data source
powder expand Show data source
Melting Point
2758 °C expand Show data source
Boiling Point
5400 °C expand Show data source
Flash Point
Non-flammable expand Show data source
Density
9.68 g/cm3, solid expand Show data source
9.68 g/mL at 25 °C(lit.) expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
3 expand Show data source
Safety Statements
22-24/25 expand Show data source
EU Index
Not listed expand Show data source
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter expand Show data source
Purity
≥99.8% (sum of HfO2 and ZrO2) expand Show data source
≥99.95% expand Show data source
98% expand Show data source
99.9% (Purity excludes 0.5-1% zirconium) expand Show data source
Grade
puriss. expand Show data source
Particle Size
-325 mesh expand Show data source
Ignition Residue
≤1% (1100 °C, 1h) expand Show data source
Impurities
~1% Zr expand Show data source
≤0.1% other traces expand Show data source
Empirical Formula (Hill Notation)
HfO2 expand Show data source

DETAILS

DETAILS

Wikipedia Wikipedia Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 203394 external link
Packaging
1 g in glass bottle
Sigma Aldrich - 202118 external link
Packaging
25, 100 g in poly bottle
Sigma Aldrich - 326119 external link
Application
Suitable for spectrographic applications

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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