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Merck
CN

00622

Sigma-Aldrich

Cobalt(II) sulfate heptahydrate

puriss. p.a., ≥99.0% (KT)

Synonym(s):

Cobaltous sulfate heptahydrate

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About This Item

Linear Formula:
CoSO4 · 7H2O
CAS Number:
Molecular Weight:
281.10
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
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grade

puriss. p.a.

Assay

≥99.0% (KT)

impurities

≤0.002% total nitrogen (N)

density

2.03 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg

cation traces

Ca: ≤50 mg/kg
Cu: ≤10 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤10 mg/kg
Zn: ≤50 mg/kg

SMILES string

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

InChI

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

InChI key

BGORGFZEVHFAQU-UHFFFAOYSA-L

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Signal Word

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Ali M Elshafei et al.
Journal of basic microbiology, 45(5), 335-343 (2005-09-28)
Cell-free extracts of nitrate-grown Penicillium politans NRC-510 catalyzes the hydrolytic deamination of cytidine to uridine. Uridine was chromatographically identified in cell-free extracts. The enzyme exhibited optimum pH and temperature activities at 6.5 and 80 degrees C respectively. Thermal stability experiments
Lei Hou et al.
Chemical communications (Cambridge, England), 46(34), 6311-6313 (2010-08-03)
Solvothermal reaction of CoSO(4) with 2,6-di-p-carboxyphenyl-4,4'-bipyridine affords a novel, octacobalt cluster based, (3,12)-connected porous framework, which exhibits gas sorption and spin-glassy magnetic behaviour.
Cobalt sulfate.
Report on carcinogens : carcinogen profiles, 12, 113-115 (2011-08-19)
S Sahoo et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 26(12), 1309-1312 (2010-12-16)
An analytical method has been described for the determination of mercury using a carbon paste electrode. Conditions for the preparation of the carbon paste electrode were optimized for low background current in order to use it for the determination of
Y J Huang et al.
Chemosphere, 40(4), 347-349 (2000-02-09)
A rapid and complete destruction of organics in the supercritical water oxidation (SCWO) of the Co-exchanged resin was found experimentally. Due to an extremely low solubility of CoSO4 salt formed and separated effectively in the SCWO process, a minimal release

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