CERIUM(IV) OXIDE Chemical Properties

Melting point:

2600 °C

Density 

7.13 g/mL at 25 °C(lit.)

storage temp. 

2-8°C

form 

powder

PH

~2.7

CAS DataBase Reference

23322-64-7(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn

Risk Statements 

22

Safety Statements 

23-24/25

WGK Germany 

3

RTECS 

FK6310000

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

CERIUM(IV) OXIDE Usage And Synthesis

Uses

This material is highly monodisperse in size and shape (<0.25 polydispersity index), and provides significantly improved surface reactivity. It is stable at high suspension densities when utilized at the recommended pH range. Applications include emissions catalysis, fuel cell electrolytes, polishing of optical surfaces, planarization of semiconductors, as a substrate for precious metals used in oxidation catalysis, catalysis for the splitting of water for hydrogen production, and as a radical oxygen scavenger in biological systems.

Uses

This material is highly monodisperse in size and shape (<0.25 polydispersity index) and provides significantly improved surface reactivity. It is stable at high suspension densities when utilized at the recommended pH range. Applications include emissions catalysis, fuel cell electrolytes, polishing of optical surfaces, planarization of semiconductors, as a substrate for precious metals used in oxidation catalysis, catalysis for the splitting of water for hydrogen production, and as a radical oxygen scavenger in biological systems.

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