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239267

Cobalt(II) nitrate hexahydrate

ACS reagent, ≥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
NACRES:
NA.21
PubChem Substance ID:
329752523
UNSPSC Code:
12352302
MDL number:
MFCD00149647
Assay:
≥98%, 98.0-102.0%
Grade:
ACS reagent
Form:
chips, powder, crystals or chunks, solid
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grade

ACS reagent

Quality Segment

200

assay

≥98%, 98.0-102.0%

form

chips, powder, crystals or chunks, solid

reaction suitability

reagent type: catalyst
core: cobalt

impurities

≤0.01% insolubles

pH

4 (20 °C, 100 g/L)

mp

55 °C (lit.)

anion traces

chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Cu: ≤0.002%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, NH4+: ≤0.2%, Na: ≤0.05%, Ni: ≤0.15%, Pb: ≤0.002%, Zn: ≤0.01%

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

General description

Cobalt(II)nitrate hexahydrate is a red-brown crystalline structure that is soluble in water and organic solvents. It is commonly used in the preparation of cobalt-based catalysts, pigments, chemicals, and vitamin B12 preparations. Additionally, it serves high-purity cobalt source for use in the electronics industry.

Application

Cobalt(II)nitrate hexahydrate can be used as a catalyst to synthesize:
  • 5-Carboxanilide-dihydropyrimidinone derivatives by the condensation of acetoacetanilides, aldehydes, and urea/thiourea.
  • Nitro indoles by the nitration of indoles using tert-butyl nitrite as the nitro source.
  • Quinazolinones from 2-aminobenzonitriles using alcohols in the presence of phosphine ligand.

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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

5.1B - Oxidizing hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

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