12-CROWN-4 98% (C15-1228-504)

Catalog No.: C15-1228-504
Mfr. No.: 194905-1G
Mfr. Name: Sigma-Aldrich
Qty/UOM: 1
UOM: GR

Price: $158.09

List Price: $175.65

12-Crown-4 is a crown ether generally used as a ligand in coordination chemistry. It is also known as lithium ionophore because of its strong chelating property specific to lithium cation.

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Description
Specifications

General description

12-Crown-4 is a crown ether generally used as a ligand in coordination chemistry. It is also known as lithium ionophore because of its strong chelating property specific to lithium cation.

Application

12-Crown-4 can be used as:

A promoter in the synthesis of poly(diethylsiloxane) (PDES) from monomer hexaethylcyclotrisiloxane using NaOH as a catalyst via anionic ring-opening polymerization.
As an additive in the preparation of triarylmethane derivatives by palladium-catalyzed cross coupling reaction of aryl bromides with diarylmethane derivatives.
A phase transfer catalyst in organic synthesis.

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UPC:: 12190000
Condition:: New
Availability:: 3-5 Days
Weight:: 1.00 Ounces
HazmatClass:: Yes
MPN:: 194905-1G
CAS:: 294-93-9

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