Cobalt(II) perchlorate

Cobalt(II) perchlorate

Hexahydrate
Names
Systematic IUPAC name
Cobalt(II) diperchlorate
Other names
  • Cobaltous perchlorate
  • Cobalt diperchlorate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.307 Edit this at Wikidata
EC Number
  • 236-653-5
  • InChI=1S/2ClHO4.Co/c2*2-1(3,4)5;/h2*(H,2,3,4,5);/q;;+2/p-2
    Key: BSUSEPIPTZNHMN-UHFFFAOYSA-L
  • hexahydrate: InChI=1S/2ClHO4.Co.6H2O/c2*2-1(3,4)5;;;;;;;/h2*(H,2,3,4,5);;6*1H2/q;;+2;;;;;;/p-2
    Key: KPOBHNYTWJSVKF-UHFFFAOYSA-
  • [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Co+2]
  • hexahydrate: [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Co+2].O.O.O.O.O.O
Properties
Co(ClO4)2
Molar mass 257.83 g/mol
Appearance Pink solid (anhydrous)
Dark-red crystals (hexahydrate)
Density 3.33 g/cm3
Melting point 170 °C (338 °F; 443 K)[1] (decomposition, hexahydrate)
113 g/100 mL (25 °C)
Solubility Insoluble in ethanol and acetone
Hazards
GHS labelling:
GHS03: OxidizingGHS07: Exclamation markGHS08: Health hazard
Danger
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
2
0
1
OX
Safety data sheet (SDS) Fisher SDS
Related compounds
Other cations
 Iron(II) perchlorate
Nickel(II) perchlorate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cobalt(II) perchlorate is an inorganic chemical compound with the formula Co(ClO4)2·nH2O (n = 0,6). The pink anhydrous and red hexahydrate forms are both hygroscopic solids.

  1. ^ F. Solymosi; J. Raskó (1977). "Study of the thermal decompositions of some transition metal perchlorates". Journal of Thermal Analysis and Calorimetry. 11 (2): 289–304. doi:10.1007/bf01909967.