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Key Documents

266639

Sigma-Aldrich

Cobalt

powder, 2 μm particle size, 99.8% trace metals basis

Synonym(s):

Co

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About This Item

Empirical Formula (Hill Notation):
Co
CAS Number:
Molecular Weight:
58.93
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99.8% trace metals basis

form

powder

reaction suitability

core: cobalt
reagent type: catalyst

resistivity

6.24 μΩ-cm, 20°C

particle size

2 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

Cobalt powder has been used in the preparation of cobalt-based alloys and composites as anode materials.
It can be also used:
  • In the preparation of soft magnetic materials by powder metallurgical processes.
  • As a catalyst in the transformation of ethanol to 1-butanol.

Analysis Note

Average particle size determined by Fisher sub-sieve sizer

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. 1B - 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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Hydrothermal synthesis of 1-butanol from ethanol catalyzed with commercial cobalt powder
Zhang X, et al.
ACS sustainable chemistry & engineering, 1(12), 1493-1497 (2013)
Preparation and properties of Cobalt-based soft magnetic material prepared by novel powder metallurgy.
Srivastava, Yogesh and Srivastava, Sanjay
Journal of magnetism and magnetic materials, 423(1), 267-274 (2017)
Electrode properties of Mg2Ni alloy ball-milled with cobalt powder.
Chen, J and Bradhurst, DH and Dou, SX and Liu, HK
Electrochimica Acta, 44(2-3), 353-355 (1998)
Cobalt-silica magnetic nanoparticles with functional surfaces.
Vadala ML, et al.
Journal of magnetism and magnetic materials, 293(1), 162-170 (2005)
Characterization of amorphous and crystalline tin-cobalt anodes.
Fan, Quan and Chupas, Peter J and Whittingham, M Stanley
Electrochemical and Solid-State Letters, 10(12), A274-A278 (2007)

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