Cobalt(II) fluoride

Cobalt(II) fluoride
Names
IUPAC name
Cobalt(II) fluoride
Other names
cobalt difluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.044
EC Number
  • 233-061-9
RTECS number
  • GG0770000
UNII
  • InChI=1S/Co.2FH/h;2*1H/q+2;;/p-2 Y
    Key: YCYBZKSMUPTWEE-UHFFFAOYSA-L Y
  • InChI=1/Co.2FH/h;2*1H/q+2;;/p-2
    Key: YCYBZKSMUPTWEE-NUQVWONBAL
  • F[Co]F
Properties
CoF2
Molar mass 96.93 g/mol
Appearance Red crystalline solid
Density 4.46 g/cm3 (anhydrous)
2.22 g/cm3 (tetrahydrate)
Melting point 1,217 °C (2,223 °F; 1,490 K)
Boiling point 1,400 °C (2,550 °F; 1,670 K)
1.4 g/100 mL (25 °C)
Solubility soluble in HF
insoluble in alcohol, ether, benzene
+9490.0·10−6 cm3/mol
Structure
tetragonal (anhydrous)
orthorhombic (tetrahydrate)
Hazards
GHS labelling:
Danger
H301, H314, H317, H351
P203, P260, P264, P270, P272, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P318, P321, P330, P333+P317, P362+P364, P363, P405, P501
NFPA 704 (fire diamond)
3
0
0
Lethal dose or concentration (LD, LC):
oral (rat): 150 mg/kg
Related compounds
Other anions
Other cations
Related compounds
Cobalt trifluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Cobalt(II) fluoride is an inorganic compound with the formula CoF2. It is a pink paramagnetic solid. Like some other metal difluorides, CoF2 crystallizes in the rutile structure, which features octahedral Co centers and planar fluorides.