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697745

Sigma-Aldrich

Cobalt

Carbon coated magnetic, nanopowder, <50 nm particle size (TEM), ≥99%

Synonym(s):
Cobalt element, Cobalt-59
Empirical Formula (Hill Notation):
Co
CAS Number:
Molecular Weight:
58.93
MDL number:
PubChem Substance ID:
NACRES:
NA.23

material

carbon

Quality Level

Assay

≥99%

form

nanopowder

composition

Carbon content, <8 wt. %

magnetization

>150 emu/g, Mass saturation

resistivity

6.24 μΩ-cm, 20°C

particle size

<50 nm (TEM)

surface area

BET surf. area >15 m2/g

bp

2900 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Co]

InChI

1S/Co

InChI key

GUTLYIVDDKVIGB-UHFFFAOYSA-N

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Cobalt Carbon coated magnetic, nanopowder, &lt;50&#160;nm particle size (TEM), &#8805;99%

Sigma-Aldrich

697745

Cobalt

Cobalt foil, not light tested, 50x50mm, thickness 0.002mm, temporary acrylic support, 99.9%

GF00561204

Cobalt

Cobalt foil, not light tested, 50x50mm, thickness 0.0125mm, 99.9%

GF00377029

Cobalt

Cobalt foil, 10mm disks, thickness 0.003mm, 99.9%

GF00415426

Cobalt

assay

≥99%

assay

≥99.9%

assay

≥99.9%

assay

≥99.9%

form

nanopowder

form

foil

form

foil

form

foil

bp

2900 °C (lit.)

bp

2900 °C (lit.)

bp

2900 °C (lit.)

bp

2900 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

-

Quality Level

-

Quality Level

-

material

carbon

material

-

material

-

material

-

Application

Air- and thermally-stable magnetic carbon-coated cobalt nanoparticles (nanomagnets). Carbon shell consists of approximately three graphitic layers and can be chemically functionalized using e.g. diazotization reactions.

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic 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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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