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Merck
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문서

60818

Sigma-Aldrich

Cobalt(II) chloride

purum p.a., anhydrous, ≥98.0% (KT)

동의어(들):

Cobalt dichloride, Cobalt muriate, Cobaltous chloride, Dichlorocobalt

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About This Item

Linear Formula:
CoCl2
CAS Number:
7646-79-9
Molecular Weight:
129.84
EC Number:
231-589-4
MDL number:
MFCD00010938
UNSPSC 코드:
12352302
PubChem Substance ID:
329759237
NACRES:
NA.21

vapor pressure

40 mmHg ( 0 °C)

Quality Level

200

grade

purum p.a.

분석

≥98.0% (KT)

형태

powder

불순물

≤2% water

mp

724 °C (lit.)

음이온 미량물

sulfate (SO42-): ≤50 mg/kg

양이온 미량물

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤200 mg/kg
Ni: ≤1000 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

Cl[Co]Cl

InChI

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

InChI key

GVPFVAHMJGGAJG-UHFFFAOYSA-L

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일반 설명

Cobalt(II) chloride is an anhydrous cobalt salt. Cobalt(II) chloride participates in the synthesis of various esters in the presence of acetonitrile.

애플리케이션

Cobalt(II) chloride may be employed as a catalyst in the following studies:
  • Acylation of various alcohols (primary and secondary).
  • Acylation of various hydroxyl compounds (high selectivity).
  • Regioselective ring-opening reaction of oxiranes.
  • Coupling reactions of anhydrides or acid chlorides with thiols.
  • Protection of aldehydes, via chemoselective dithioacetalization reaction.
  • Solvent-free synthesis of β-enaminones and β-enamino esters.
The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.

신호어

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

Storage Class Code

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

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

시험 성적서(COA)

제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.

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문서 라이브러리 방문

Cobalt (II) chloride catalyzed chemoselective thioacetalization of aldehydes.
De SK.
Tetrahedron Letters, 45(5), 1035-1036 (2004)
Xin Li et al.
Molecular and cellular biology, 40(8) (2020-01-29)
Fibrosis is recognized as the major pathological change in adipose tissue during the development of obesity. However, the detailed mechanisms governing the interactions between the fibrotic components and their modifiers remain largely unclear. Here, we reported that matrix metalloproteinase 14
An unusual chemoselectivity in cobalt (II) chloride catalysed cleavage of oxiranes with anilines: A highly regioselective synthesis of β-amino alcohols.
Iqbal J and Pandey A.
Tetrahedron Letters, 31(4), 575-576 (1990)
Cobalt (II) chloride catalysed coupling of thiols and anhydrides: a new and efficient synthesis of thiol esters.
Ahmad S and Iqbal J.
Tetrahedron Letters, 27(32), 3791-3794 (1986)
Cobalt (II) chloride catalyzed acylation of alcohols with acetic anhydride: scope and mechanism.
Iqbal J and Srivastava RR.
The Journal of Organic Chemistry, 57(7), 2001-2007 (1997)
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