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Merck

255599

Cobalt(II) chloride hexahydrate

ACS reagent, 98%

동의어(들):

Cobaltous chloride hexahydrate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
CoCl2 · 6H2O
CAS 번호:
Molecular Weight:
237.93
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-589-4
MDL number:
Assay:
98%, 98.0-102.0% (ACS specification)
Grade:
ACS reagent
Form:
powder, crystals or chunks
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grade

ACS reagent

Quality Segment

vapor pressure

40 mmHg ( 0 °C)

assay

98%, 98.0-102.0% (ACS specification)

form

powder, crystals or chunks

reaction suitability

reagent type: catalyst
core: cobalt

impurities

≤0.01% insolubles

anion traces

nitrate (NO3-): ≤0.01%, sulfate (SO42-): ≤0.01%

cation traces

Ca: ≤0.005%, Cu: ≤0.002%, Fe: ≤0.005%, K: ≤0.01%, Mg: ≤0.005%, Na: ≤0.05%, Ni: ≤0.1%, Zn: ≤0.03%

SMILES string

O.O.O.O.O.O.Cl[Co]Cl

InChI

1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

InChI key

GFHNAMRJFCEERV-UHFFFAOYSA-L

General description

Cobalt(II) chloride hexahydrate, also known as cobaltous chloride hexahydrate, is a hydrated form of cobalt and chloride. It is a crystalline solid consisting of octahedral complexes, with the coordination polyhedron of the Co2+ ion including four H2O molecules and two Cl ions. It is highly soluble in water and is commonly used as a catalyst in various organic synthesis, such as during the synthesis of benzimidazole and biscoumarin derivatives.

Application

Cobalt(II) chloride hexahydrate can be used as a catalyst for the:
  • Dioxygenation of styrenes with N-hydroxyphthalimide to synthesize corresponding alcohols and ketones.
  • Oxidative coupling of primary amines to imines.
  • Friedel-Crafts reaction between indoles and activated olefins to synthesize β-indolylketones.
  • Synthesis of β-enaminones and β-enamino esters.
  • Reaction of acyl chlorides with diselenides or disulfides to synthesize selenol and thiol esters.


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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 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

저장 등급

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

flash_point_f

Not applicable

flash_point_c

Not applicable



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