Skip to Content
MilliporeSigma
All Photos(2)

Documents

420484

Sigma-Aldrich

4-tert-Butylcalix[4]arenetetraacetic acid tetraethyl ester

97%

Synonym(s):

4-tert-Butylcalix[4]arenetetra-O-acetic acid tetraethyl ester, 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetrakis(2-ethoxy-2-oxoethoxy)calix[4]arene, Sodium ionophore X, Tetrakis[(4-tert-butyl-2-methylenephenoxy)ethyl acetate]

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C60H80O12
CAS Number:
97600-39-0
Molecular Weight:
993.27
Beilstein:
3587002
MDL number:
MFCD00145373
UNSPSC Code:
12352108
PubChem Substance ID:
24866339
NACRES:
NA.22

Assay

97%

mp

138-141 °C (lit.)

SMILES string

CCOC(=O)COc1c2Cc3cc(cc(Cc4cc(cc(Cc5cc(cc(Cc1cc(c2)C(C)(C)C)c5OCC(=O)OCC)C(C)(C)C)c4OCC(=O)OCC)C(C)(C)C)c3OCC(=O)OCC)C(C)(C)C

InChI

1S/C60H80O12/c1-17-65-49(61)33-69-53-37-21-39-27-46(58(8,9)10)29-41(54(39)70-34-50(62)66-18-2)23-43-31-48(60(14,15)16)32-44(56(43)72-36-52(64)68-20-4)24-42-30-47(59(11,12)13)28-40(55(42)71-35-51(63)67-19-3)22-38(53)26-45(25-37)57(5,6)7/h25-32H,17-24,33-36H2,1-16H3

InChI key

HZHADWCIBZZJNV-UHFFFAOYSA-N

General description

4-tert-Butylcalix[4]arenetetraaceticacid tetraethyl ester is substituted calixarene and found to have significantly high ionophoric properties for metal ions. It is used as a synergistic agent in the solvent extraction of lanthanoids with a thenoyltrifluoroacetone compound. Furthermore, it is used in the preparation of potentiometric membranes.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A wearable electrochemical sensor for the real-time measurement of sweat sodium concentration
Schazmann B, et al.
Analytical Methods : Advancing Methods and Applications, 2(4), 342-348 (2010)
Synergism as a phenomenon in solvent extraction of 4f-elements with calixarenes
Atanassova M and Kurteva V
Royal Society of Chemistry Advances, 6(14), 11303-11324 (2016)
All Solid State Nickel (II)-Selective Potentiometric Sensor Based on an Upper Rim Substituted Calixarene
Kumar P
Electroanalysis, 24(10), 2005-2012 (2012)
Grzegorz Lisak et al.
Analytica chimica acta, 877, 71-79 (2015-05-24)
Potentiometric sensing utilizing textile-based micro-volume sampling was applied and evaluated for the determination of clinically (Na(+), K(+), Cl(-)) and environmentally (Cd(2+), Pb(2+) and pH) relevant analytes. In this technological design, calibration solutions and samples were absorbed into textiles while the

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service