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202185

Sigma-Aldrich

Cobalt(II)-Chlorid Hexahydrat

reagent grade

Synonym(e):

Cobaltous chloride hexahydrate

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About This Item

Lineare Formel:
CoCl2 · 6H2O
CAS-Nummer:
Molekulargewicht:
237.93
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.21
Preise und Verfügbarkeit sind derzeit nicht verfügbar.

Qualität

reagent grade

Dampfdruck

40 mmHg ( 0 °C)

Form

crystals or chunks

Konzentration

24.0-25.5% (EDTA titration)

SMILES String

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

InChI

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

InChIKey

GFHNAMRJFCEERV-UHFFFAOYSA-L

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Allgemeine Beschreibung

Cobalt(II) chloride hexahydrate has a cobalt ion surrounded by a tetragonal arrangement of chloride ligands. Four water molecules occupy a square plane about cobalt while chloride ions occupy axial positions.[1] Its crystals belong to the monoclinic lattice system.[2]

Anwendung

Cobalt(II) chloride hexahydrate may be used in the following studies:
  • For the in-situ synthesis of nickel(0) and cobalt(0) nanoclusters stabilized by poly(4-styrene sulfonic acid-co-maleic acid).[3]
  • Preparation of polyvinylidene fluoride (PVDF)-cobalt (II) chloride hexahydrate nanofiber composites, via electrospinning method.[4]
  • As catalyst for the synthesis of 2-arylbenzimidazole.[5]
  • Acetylation of alcohols with carboxylic acids to form the corresponding acylated products.[6]
  • Tosylation of aliphatic and aromatic alcohols with tosylic acid.[7]

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


Zulassungslistungen

Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Analysenzertifikate (COA)

Lot/Batch Number

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Die Dokumentenbibliothek aufrufen

Cobalt (II) catalyzed tosylation of alcohols with p-toluenesulfonic acid.
Velusamy S, et al.
Tetrahedron Letters, 45(1), 203-205 (2004)
Crystal spectra of cobalt (II) chloride hexahydrate
Joy HW and Fogel N
The Journal of Physical Chemistry, 79(4), 345-349 (1975)
Cobalt (II)-catalyzed direct acetylation of alcohols with acetic acid.
Velusamy S, et al.
Tetrahedron, 61(8), 2011-2015 (2005)
Electronic absorption spectra of tetragonal and pseudotetragonal cobalt (II). II. Cobalt chloride hexahydrate and cobalt chloride hexahydrate-d12.
Ferguson J and Wood TE.
Inorganic Chemistry, 14(1), 184-189 (1975)
Water soluble nickel (0) and cobalt (0) nanoclusters stabilized by poly (4-styrenesulfonic acid-co-maleic acid): highly active, durable and cost effective catalysts in hydrogen generation from the hydrolysis of ammonia borane.
Metin O and Ozkar S.
International Journal of Hydrogen Energy, 36(2), 1424-1432 (2011)

Fragen

1-3 von 3 Fragen  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 Antwort
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  3. Hi, Is this product suitable for cell culture? Thank you. Michal

    1 Antwort
    1. This item has not been tested for use in cell culture. However, a cell culture product option is available. Please see the link below to review product C8661: https://www.sigmaaldrich.com/US/en/product/sigma/c8661

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