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266647

Sigma-Aldrich

Cobalt

powder, <150 μm, ≥99.9% trace metals basis

Synonym(s):

Cobalt element, Cobalt-59

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About This Item

Empirical Formula (Hill Notation):
Co
CAS Number:
7440-48-4
Molecular Weight:
58.93
EC Number:
231-158-0
MDL number:
MFCD00010935
UNSPSC Code:
12141710
PubChem Substance ID:
24856151
NACRES:
NA.23

Quality Level

100

Assay

≥99.9% trace metals basis

form

powder

resistivity

6.24 μΩ-cm, 20°C

particle size

<150 μm

bp

2900 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

SMILES string

[Co]

InChI

1S/Co

InChI key

GUTLYIVDDKVIGB-UHFFFAOYSA-N

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Application

Employed in the synthesis of a metal-rich layered telluride, TaCo2Te2, which possesses ideal characteristics for photovoltaic applications, for surface scanning studies, and which may give clean and atomically flat surfaces.

Pictograms

FlameHealth hazard
GHS02,GHS08

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 4 - Carc. 1B - Eye Irrit. 2 - Flam. Sol. 1 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW0941
MKCS8114
MKCR8756
MKCQ4763
MKCM0035

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Neuhasen, J. et al.
Chemistry of Materials, 10, 3870-3870 (1998)
Dilemmas about the toxicological consequences of metal-on-metal hip prostheses -- What we do and do not know, and what we should do?
Jeffrey Brent et al.
Clinical toxicology (Philadelphia, Pa.), 51(4), 195-198 (2013-04-06)
Jeannette Ø Penny et al.
Acta orthopaedica, 84(2), 130-137 (2013-04-20)
Wear particles from metal-on-metal arthroplasties are under suspicion for adverse effects both locally and systemically, and the DePuy ASR Hip Resurfacing System (RHA) has above-average failure rates. We compared lymphocyte counts in RHA and total hip arthroplasty (THA) and investigated
Takuya Kurahashi et al.
Inorganic chemistry, 52(7), 3908-3919 (2013-03-23)
The Co(salen)(X) complex, where salen is chiral N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine and X is an external axial ligand, has been widely utilized as a versatile catalyst. The Co(salen)(X) complex is a stable solid that has been conventionally described as a Co(III)(salen)(X) complex. Recent
Hassan Imran Afridi et al.
Clinical laboratory, 59(3-4), 247-256 (2013-06-04)
The aim of the present study was to compare the level of chromium (Cr), cobalt (Co), and manganese (Mn) in biological samples (blood, urine, and scalp hair) of patients suffering from different types of viral hepatitis (A, B, C, D
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