CymitQuimica logo

CAS 294-93-9

:

12-Crown-4

Description:
12-Crown-4 is a cyclic polyether belonging to the crown ether family, characterized by its ability to selectively bind cations, particularly alkali metals like sodium and potassium. Its molecular structure consists of a 12-membered ring containing four ether oxygen atoms, which create a cavity that can encapsulate cations due to the size and geometry of the ring. This selective binding is attributed to the electron-donating nature of the oxygen atoms, which stabilize the cation through coordination. 12-Crown-4 is typically a colorless, crystalline solid at room temperature and is soluble in polar organic solvents such as methanol and acetonitrile. It is widely used in various applications, including extraction processes, ion-selective electrodes, and as a phase transfer catalyst in organic synthesis. The compound's ability to form complexes with metal ions makes it valuable in analytical chemistry and materials science. Additionally, its unique properties have led to research in areas such as supramolecular chemistry and drug delivery systems.
Formula:C8H16O4
InChI:InChI=1S/C8H16O4/c1-2-10-5-6-12-8-7-11-4-3-9-1/h1-8H2
InChI key:InChIKey=XQQZRZQVBFHBHL-UHFFFAOYSA-N
SMILES:C1COCCOCCOCCO1
Synonyms:
  • 1,4,7,10-Tetraoxaciclododecano
  • 1,4,7,10-Tetraoxacyclododecan
  • 1,4,7,10-Tetraoxacyclododecane
  • 1,4,7,10-Tetraoxycyclododecane
  • 12-Crown 4-Ether
  • Crown
  • Crown Ether/12-Crown-4
  • Eoct
  • Ethylene oxide cyclic tetramer
  • Lithium ionophore V
  • See more synonyms
Sort by

Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Found 7 products.
  • 12-Crown-4, 98%

    CAS:
    <p>It serves as an aprotic solvent for alkali metals, the sodium solution is a strong reducing agent. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar p</p>
    Formula:C8H16O4
    Purity:98%
    Color and Shape:Clear colorless to pale yellow, Liquid
    Molecular weight:176.21

    Ref: 02-A11972

    1g
    84.00€
    5g
    200.00€
    25g
    668.00€
  • 12-Crown-4

    CAS:
    Formula:C8H16O4
    Purity:98%
    Color and Shape:Liquid
    Molecular weight:176.2102

    Ref: IN-DA002Y9U

    1g
    70.00€
    5g
    206.00€
    25g
    578.00€
    250mg
    49.00€
  • 12-Crown-4

    CAS:
    12-Crown-4 dissolves Aβ40 fibrils by penetrating their hydrophobic core to interact with crucial residues.
    Formula:C8H16O4
    Purity:98%
    Color and Shape:Solid
    Molecular weight:176.21
  • 12-Crown-4-ether

    CAS:
    12-Crown-4-ether
    Purity:98%
    Color and Shape:Colourless Liquid
    Molecular weight:176.21g/mol

    Ref: 54-OR10917

    1g
    90.00€
    5g
    280.00€
    25g
    695.00€
    100g
    2,335.00€
  • 12-Crown-4

    CAS:
    Formula:C8H16O4
    Molecular weight:176.22

    Ref: 7W-GK3097

    ne
    To inquire
  • 12-Crown 4-Ether

    CAS:
    Formula:C8H16O4
    Purity:>95.0%(GC)
    Color and Shape:Colorless to Almost colorless clear liquid
    Molecular weight:176.21

    Ref: 3B-C0858

    1ml
    48.00€
    5ml
    161.00€
  • 12-Crown-4

    Controlled Product
    CAS:
    <p>Applications 12-CROWN-4 (cas# 294-93-9) is a useful research chemical.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>
    Formula:C8H16O4
    Color and Shape:Neat
    Molecular weight:176.21

    Ref: TR-C790010

    50mg
    89.00€
    100mg
    106.00€
    500mg
    188.00€