Cobalt(II) oxide

Cobalt(II) oxide is an inorganic compound that has been described as an olive-green or gray solid. It is used extensively in the ceramics industry as an additive to create blue-colored glazes and enamels, as well as in the chemical industry for producing cobalt(II) salts. A related material is cobalt(II,III) oxide, a black solid with the formula Co3O4.

"CoO" redirects here. For other uses, see COO (disambiguation).
Cobalt(II) oxide
Names
IUPAC name
Cobalt(II) oxide
Other names
Cobaltous oxide
Cobalt monoxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.777
EC Number
  • 215-154-6
PubChem CID
RTECS number
  • GG2800000
UNII
UN number 3288
  • InChI=1S/Co.O/q+2;-2 Y
    Key: IUYLTEAJCNAMJK-UHFFFAOYSA-N Y
  • InChI=1/Co.O/rCoO/c1-2
    Key: IVMYJDGYRUAWML-NNYFCMOLAO
  • InChI=1/Co.O/q+2;-2
    Key: IUYLTEAJCNAMJK-UHFFFAOYAY
SMILES
  • [Co]=O
  • [Co+2].[O-2]
Properties
CoO
Molar mass 74.9326 g/mol
Appearance olive or gray powder
Odor odorless
Density 6.45 g/cm3
Melting point 1,933 °C (3,511 °F; 2,206 K)
insoluble in water
Magnetic susceptibility (χ)
 +4900.0·10−6 cm3/mol
Structure
cubic, cF8
Space group
 Fm3m, No. 225
Hazards
GHS labelling:
Warning
H302, H317, H410
P260, P280, P284, P301+P310+P330, P304+P340+P310, P342+P311, P403+P233
NFPA 704 (fire diamond)
3
0
0
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose)
 202 mg/kg
Safety data sheet (SDS) ICSC 1551
Related compounds
Other anions
 Cobalt(II) sulfide
Cobalt(II) hydroxide
Other cations
 Iron(II) oxide
Nickel(II) oxide
Related compounds
 Cobalt(II,III) oxide
Cobalt(III) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.