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697745

Cobalt

Name: Cobalt
Brand: ALDRICH

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

Synonym(s):

Cobalt element, Cobalt-59

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About This Item

Empirical Formula (Hill Notation):

CAS Number:

7440-48-4

Molecular Weight:

58.93

NACRES:

NA.23

PubChem Substance ID:

329761949

UNSPSC Code:

12352302

MDL number:

MFCD00010935

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Properties

material

carbon

Quality Segment

100

assay

≥99%

form

nanopowder

composition

Carbon content, <8 wt. %

magnetization

>150 emu/g, Mass saturation

resistivity

6.24 μΩ-cm, 20°C

surface area

>15 m²/g

particle size

<50 nm (TEM)

bp

2900 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

application(s)

battery manufacturing
catalysts

SMILES string

[Co]

InChI

1S/Co

InChI key

GUTLYIVDDKVIGB-UHFFFAOYSA-N

Description

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.

Chemical Synthesis of Monodisperse Magnetic Nanoparticles

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Pictograms

GHS06,GHS08,GHS09

Signal Word

Danger

Hazard Codes

H302,H317,H319,H330,H334,H341,H350,H360F,H373,H410

Precautionary Statements

P273 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338

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

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

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)