PRODUCT

Overview

PRODUCT INTRODUCTION

Hafnium oxide is an inorganic compound. Hafnium oxide has excellent chemical stability and is insoluble in water and most acids at room temperature, but can react with strong alkali to form hafnium salts.

Hafnium oxide has a wide range of applications in industry. Hafnium oxide can be used to prepare products such as refractory bricks, ceramics, capacitors and catalysts. Hafnium oxide can also be used as a compensating dopant and protective coating in semiconductor materials.

The preparation methods of hafnium oxide mainly include chemical reduction and thermal decomposition. The chemical reduction method is to prepare hafnium oxide by reacting hafnium salts with a reducing agent (such as hydrogen). The thermal decomposition method is to decompose hafnium compounds (such as ammonium hafnate) by heating them to form hafnium oxide.

In terms of safety, hafnium oxide is generally considered to be a relatively safe compound. It is not easy to react chemically at room temperature and has no obvious toxicity to the human body. When in the form of dust, hafnium oxide particles may cause irritation and damage to the respiratory system. When handling hafnium oxide powder, necessary protective measures should be taken, such as wearing masks and gloves to avoid inhalation and contact with dust. It should be noted that hafnium oxide should be stored and handled away from heat sources and flammable materials.


CAS12055-23-1
EINECS235-013-2
Chemical formulaHfO2
Molecular weight210.49
density9.68g/mLat   25°C(lit.)
Melting point2810   °C
Water SolubilityInsoluble   in water.
Refractive Index2.13   (1700 nm)
Storage conditionsRoom   Temprature
Appearancepowder


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