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203106

Sigma-Aldrich

Cobalt(II) nitrate hexahydrate

99.999% trace metals basis

Synonym(s):
Cobaltous nitrate, Cobaltous nitrate hexahydrate, Nitric acid, cobalt(II) salt
Linear Formula:
Co(NO3)2 · 6H2O
CAS Number:
Molecular Weight:
291.03
MDL number:
PubChem Substance ID:

Quality Level

Assay

99.999% trace metals basis

form

crystals and lumps

impurities

≤15.0 ppm Trace Metal Analysis

mp

55 °C (lit.)

application(s)

battery manufacturing

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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1 of 4

This Item
2392672303751.02554
form

crystals and lumps

form

chips, powder, crystals or chunks, solid

form

flakes, powder, crystals or chunks

form

solid

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤0.01% insolubles

impurities

-

impurities

≤0.005% Insoluble matter

mp

55 °C (lit.)

mp

55 °C (lit.)

mp

55 °C (lit.)

mp

57 °C

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

300

application(s)

battery manufacturing

application(s)

-

application(s)

-

application(s)

-

Application

Cobalt(II) nitrate hexahydrate can be used as a:
  • Starting material in the preparation of Co-based nanomaterials and Co complexes.
  • Catalyst to synthesize 5-carboxanilide-dihydropyrimidinone derivatives via a three-component condensation reaction.
  • Dopant to prepare LaCr1−xCoxO3 solid-solution ceramics for high temperature applications.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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The electronebulization of a cobalt(II)/cysteine(Cys) mixture in water/methanol (50/50) produced mainly cobalt-cationized species. Three main groups of the Co-cationized species can be distinguished in the ESI-MS spectrum: (1) the cobalt complexes including the cysteine amino acid only (they can be
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Journal of mass spectrometry : JMS, 44(7), 1038-1046 (2009-04-01)
The nature of the ionic species, formed by electrospray ionization (ESI) of Co(NO3)2/CH3OH solutions with a pair of aminoalcohols W and Y, has been investigated by mass spectrometric and computational methods. Collision induced dissociation (CID) of ions, formally corresponding to
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
J M Llobet et al.
Revista espanola de fisiologia, 39(3), 291-298 (1983-09-01)
The acute toxicities of chloride, acetate, cobalt nitrate and cobalt sulphate (II) were investigated in rats. The values obtained for the LD50 (7 days) were 133, 194, 198 and 279 mg of Co/kg respectively, when the salts were given orally.

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