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230375

Sigma-Aldrich

Cobalt(II) nitrate hexahydrate

reagent grade, 98%

Synonym(s):

Cobaltous nitrate, Cobaltous nitrate hexahydrate, Nitric acid, cobalt(II) salt

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About This Item

Linear Formula:
Co(NO3)2 · 6H2O
CAS Number:
10026-22-9
Molecular Weight:
291.03
MDL number:
MFCD00149647
UNSPSC Code:
12352302
PubChem Substance ID:
329752369
NACRES:
NA.55

grade

reagent grade

Quality Level

100

Assay

98%

form

flakes
powder, crystals or chunks

reaction suitability

reagent type: catalyst
core: cobalt

pH

4 (20 °C, 100 g/L)

mp

55 °C (lit.)

SMILES string

O.O.O.O.O.O.[Co++].[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Co.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;;

InChI key

QGUAJWGNOXCYJF-UHFFFAOYSA-N

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General description

Cobalt (II) nitrate hexahydrate is a simple, inexpensive and readily available cobalt precursor to develop cobalt-based catalyst for specific organic reactions.

Application

Cobalt (II) nitrate hexahydrate is used as a catalyst:
  • In the synthesis of 5-carboxanilide-dihydropyrimidinone derivatives from acetoacetanilide, aldehyde, and urea/thiourea by condensation reaction.
  • In the multi-component synthesis of 2-amino-3- cyanopyridine and pyranopyrazole derivatives.
  • Cobalt (II) nitrate hexahydrate can also be used:,In the preparation of nano-Co3O4 by direct thermal decomposition, that are used in electrochemical water splitting and electrochemical sensors.

Signal Word

Danger

Hazard Classifications

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

Target Organs

Lungs

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thermal decomposition of cobalt nitrato compounds: Preparation of anhydrous cobalt (II) nitrate and its characterisation by Infrared and Raman spectra.
Ehrhardt C, et al.
Thermochimica Acta, 432(1), 36-40 (2005)
Horacio López-Sandoval et al.
Journal of inorganic biochemistry, 102(5-6), 1267-1276 (2008-02-29)
In this work we present the synthesis, structural and spectroscopic characterisation of a series of cobalt(II) and zinc(II) coordination compounds with benzimidazole (bz) and its 2-benzimidazole derivatives: 2-aminobenzimidazole (2ab), albendazole (abz) and tris(2-benzimidazolylmethyl)amine (ntb). The compounds were evaluated for their
Some Phosphine Oxide and Arsine Oxide Complexes of Cobalt (II) Nitrate.
Cotton FA, et al.
Inorganic Chemistry, 2(6), 1162-1165 (1963)
N G Al-Tawil et al.
Acta dermato-venereologica, 64(3), 203-208 (1984-01-01)
Peripheral blood lymphocytes from 45 patients with a positive patch test to cobalt chloride (CoCl2) and 37 controls were stimulated with various concentrations of CoCl2 and/or cobalt sulphate (CoSO4) or cobalt nitrate (Co(NO3)2) or cobalt acetate [CH3COO)2Co) for various days
A time-resolved in situ quick-XAS investigation of thermal activation of Fischer-Tropsch silica-supported cobalt catalysts.
Jingping Hong et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(10), 2802-2805 (2012-02-07)
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