Cobalt(III) oxide
From Infogalactic: the planetary knowledge core
200px | |
Names | |
---|---|
IUPAC name
cobalt(III) oxide, dicobalt trioxide
|
|
Other names
cobaltic oxide, cobalt sesquioxide
|
|
Identifiers | |
1308-04-9 | |
EC Number | 215-156-7 |
Jmol 3D model | Interactive image |
PubChem | 4110762 |
RTECS number | GG2900000 |
|
|
|
|
Properties | |
Co2O3 | |
Molar mass | 165.8646 g/mol |
Appearance | red powder |
Density | 5.18 g/cm3 [2] |
Melting point | 1,900 °C (3,450 °F; 2,170 K) |
negligible | |
Structure | |
Trigonal, hR30 | |
R-3c, No. 167 | |
Thermochemistry | |
Std enthalpy of
formation (ΔfH |
-577 kJ/mol |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
|
verify (what is ?) | |
Infobox references | |
Cobalt (III) oxide is the inorganic compound with the formula of Co2O3. Most commonly used in bleach. Although only two oxides of cobalt are well characterized, CoO and Co3O4,[3] procedures claiming to give Co2O3 have been described. Thus treatment of Co(II) salts such as cobalt(II) nitrate with an aqueous solution of sodium hypochlorite (also known as bleach) gives a black solid.[4] Some formulations of the catalyst hopcalite contain "Co2O3".
See also
References
- ↑ Sigma-Aldrich product page
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. p. 1675.
Categories:
- Pages with broken file links
- Articles without EBI source
- Chemical pages without ChemSpiderID
- Articles without KEGG source
- Articles without UNII source
- Pages using collapsible list with both background and text-align in titlestyle
- Chemical articles using a fixed chemical formula
- Cobalt compounds
- Oxides
- Sesquioxides