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Hafnium oxide Structure

Hafnium oxide

Chemical Properties

Melting point 2810 °C
Density  9.68 g/mL at 25 °C(lit.)
refractive index  2.13 (1700 nm)
solubility  insoluble in H2O
form  powder
color  Off-white
Specific Gravity 9.68
Water Solubility  Insoluble in water.
Crystal Structure Monoclinic
crystal system Monoclinic
Merck  14,4588
Space group P21/c
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.511560.517220.529489099.18900.1383
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChIKey CJNBYAVZURUTKZ-UHFFFAOYSA-N
CAS DataBase Reference 12055-23-1(CAS DataBase Reference)
EPA Substance Registry System Hafnium oxide (HfO2) (12055-23-1)

Safety Information

Safety Statements  22-24/25
WGK Germany  3
TSCA  Yes
HS Code  28259085

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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