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21-CROWN-7

  • CAS No.: 33089-36-0
  • Purity: 99%
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What is the 21-CROWN-7 ?

21-CROWN-7 is , while it's Molecular Formula is C14H28 O7. Used in Analytical Chemistry:
21-CROWN-7 is used as a phase-transfer catalyst in organic reactions, facilitating the transfer of reactants between different phases and enhancing the efficiency of the reactions. Its ability to selectively bind metal cations makes it a crucial component in the synthesis of ion-selective electrodes, which are used for the detection and measurement of specific ions in various samples.
Used in Biotechnology:
In the biotechnology industry, 21-CROWN-7 is used as a key component in the development of ionophores. Ionophores are compounds that can selectively transport ions across cell membranes, playing a vital role in various biological processes. The high selectivity of 21-CROWN-7 for potassium ions makes it an ideal candidate for the design of ionophores that can modulate potassium ion transport in biological systems.
Used in Chemical Synthesis:
21-CROWN-7 is employed as a catalyst in the synthesis of various chemical compounds. Its ability to coordinate with metal cations allows for the formation of stable complexes, which can be used to control the reaction pathways and improve the yield of the desired products.
Used in Environmental Applications:
In environmental science, 21-CROWN-7 can be utilized for the selective extraction and separation of metal ions from contaminated water sources. Its high selectivity for specific ions enables the efficient removal of pollutants, contributing to the purification of water and the protection of ecosystems.
Used in Pharmaceutical Applications:
21-CROWN-7 has potential applications in the pharmaceutical industry as a carrier for drug delivery systems. Its ability to form stable complexes with metal cations can be exploited to improve the solubility, stability, and bioavailability of various drug molecules, enhancing their therapeutic efficacy.

What is the CAS number for 21-CROWN-7 ?

The CAS number of 21-CROWN-7 is 33089-36-0.

More information of 21-CROWN-7 33089-36-0 are:

Synonyms

21-Crown-7;21-Crown-7-ether

CAS?Number

33089-36-0

Molecular Formula

C14H28 O7

Molecular Weight

308.372

Density

0.995g/cm3

Boiling Point

448.6°Cat760mmHg

Flash Point

184.7°C

PSA

64.61000

LogP

0.11620

What is 21-CROWN-7 (33089-36-0) used for?

21-CROWN-7, also known as 1,4,7,10,13,16-hexaoxacyclooctadecane, is a macrocyclic compound belonging to the crown ethers family. It is characterized by a seven-membered ring containing oxygen atoms that can coordinate with metal cations, particularly alkali and alkaline earth ions. 21-CROWN-7 exhibits high selectivity for potassium ions and is widely used in various applications due to its ability to bind specific metal cations, making it a valuable compound in chemical and biological processes.

InChI:InChI=1/C14H28O7/c1-2-16-5-6-18-9-10-20-13-14-21-12-11-19-8-7-17-4-3-15-1/h1-14H2

Articles related to 21-CROWN-7:

Article

Source

Effect of Crown Ethers on the Selectivity of Electrophilic Aromatic Nitration

Masci, Bernardo

, p. 4081 - 4087 (1985)

Crown Cation Complex Effects. 21. Spectral Evidence Bearing on the Interaction between Arenediazonium Cations and 21-Crown-7 in Nonpolar Solutions

Beadle, James R.,Khanna, Raj K.,Gokel, George W.

, p. 1242 - 1246 (1983)

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