| IUPAC name
| Other names
|Molar mass||172.115 g/mol|
|Melting point||2,400 °C (4,350 °F; 2,670 K)|
|Boiling point||3,500 °C (6,330 °F; 3,770 K)|
|Solubility||Reacts with acids|
|Safety data sheet||Sigma-Aldrich|
|Lethal dose or concentration (LD, LC):|
LD50 (Median dose)
|5.000 mg/kg (rat, oral)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Cerium(IV) oxide, also known as ceric oxide, ceric dioxide, ceria, cerium oxide or cerium dioxide, is an oxide of the rare-earth metal cerium. It is a pale yellow-white powder with the chemical formula CeO2.
The distinctive property of this material is its reversible conversion to a nonstoichiometric oxide.
Cerium(IV) oxide is a white solid, odorless which reacts with acids.
It is sold by lab suppliers.
Can be prepared by burning cerium metal in oxygen or calcinating cerium hydroxide.
- Make cerium salts
Has relative low toxicity.
In closed bottles.
Since it has low toxicity, it can be dumped in trash. Or recycled.