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Merck
CN

12933

Cobalt(II) sulfate heptahydrate

purum, ≥95%

Synonym(s):

Cobaltous sulfate heptahydrate

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About This Item

Linear Formula:
CoSO4 · 7H2O
CAS Number:
10026-24-1
Molecular Weight:
281.10
UNSPSC Code:
12352302
PubChem Substance ID:
329749943
EC Number:
233-334-2
MDL number:
MFCD00149657
Assay:
≥95%
Form:
solid

Key Documents

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InChI key

BGORGFZEVHFAQU-UHFFFAOYSA-L

InChI

1S/Co.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2

SMILES string

O.[Co++].[O-]S([O-])(=O)=O

grade

purum

assay

≥95%

form

solid

density

2.03 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤500 mg/kg

cation traces

Fe: ≤50 mg/kg, Ni: ≤1000 mg/kg, Pb: ≤50 mg/kg, Zn: ≤200 mg/kg

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General description

Cobalt(II) sulfate heptahydrate is a hydrated cobalt salt. Its bioavailability has been assessed in human tissue fluids and human serum.

Application

Cobalt(II) sulfate heptahydrate may be used in the following processes:
  • Preparation of FeCo alloy magnetic nanofluids.
  • As a source of cobalt ion (Co2+) for the oxidation of aqueous phenol solution via electro-Fenton process.
  • Preparation of palladium-activated titanium dioxide-supported cobalt-nickel-phosphorus ternary alloy catalyst (Co-Ni-P/Pd-TiO2).
  • Preparation of {[Co(phen)2]2(μ-P2O7)}·6MeOH (P2O7 = pyrophosphate; phen = 1,10-phenanthroline), a pyrophosphatobridged cobalt(II) coordination complex.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Phenol degradation by advanced electrochemical oxidation process electro-Fenton using a carbon felt cathode.
Pimentel M, et al.
Applied Catalysis. B, Environmental, 83(1), 140-149 (2008)
Woodhall Stopford et al.
Journal of environmental monitoring : JEM, 5(4), 675-680 (2003-09-02)
Testing of metal compounds for solubility in artificial fluids has been used for many years to assist determining human health risk from exposure to specific compounds of concern. In lieu of obtaining bioavailability data from samples of urine, blood, or
Ali Shokuhfar et al.
Nanoscale research letters, 8(1), 540-540 (2013-12-24)
In this research, FeCo alloy magnetic nanofluids were prepared by reducing iron(III) chloride hexahydrate and cobalt(II) sulfate heptahydrate with sodium borohydride in a water/CTAB/hexanol reverse micelle system for application in magnetic hyperthermia treatment. X-ray diffraction, electron microscopy, selected area electron
Hydrogen generation from the hydrolysis of ammonia borane using cobalt-nickel-phosphorus (Co-Ni-P) catalyst supported on Pd-activated TiO2 by electroless deposition.
Rakap M, et al.
International Journal of Hydrogen Energy, 36(11), 254-261 (2011)
Synthesis, Structural, Thermal and Magnetic Characterization of a Pyrophosphato-Bridged Cobalt (II) Complex.
Ikotun OF, et al.
European Journal of Inorganic Chemistry, 2008(17), 2691-2697 (2008)
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