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Merck

342440

Sigma-Aldrich

Cobalt(II) hydroxide

technical grade, 95%

Sinónimos:

Cobalt dihydroxide, Cobalt(2+) hydroxide, Cobaltous hydroxide

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About This Item

Fórmula lineal:
Co(OH)2
Número de CAS:
Peso molecular:
92.95
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

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grade

technical grade

Quality Level

assay

95%

form

powder

density

3.597 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

O[Co]O

InChI

1S/Co.2H2O/h;2*1H2/q+2;;/p-2

InChI key

ASKVAEGIVYSGNY-UHFFFAOYSA-L

General description

Cobalt(II) hydroxide is a versatile compound with various applications in battery manufacturing, sensors, supercapacitor, and magnetic materials. It is also used as a key component in the production of rechargeable lithium-ion batteries. Additionally, it is also used in electrochemical reactions, including the oxidation of glucose and the oxygen evolution reaction (OER).

Application

Cobalt(II) hydroxide can be used in the research and development :
  • As an additive in Ni-based rechargeable alkaline batteries, including Ni-Cd and Ni-MH batteries, to improve their electrochemical performance.   
  • To synthesize reduced graphene oxide/cobalt hydroxide (rGO/Co(OH)2) composite material, which exhibits enhanced electrochemical performance for supercapacitor applications.     
  • As a electrode material for high-performance supercapacitors. It exhibits high specific capacitance and long cycling stability, making it a promising electrode material for supercapacitors.

signalword

Danger

Hazard Classifications

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

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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