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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]

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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

Quality Level

200

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

420484-BULK:
420484-250MG:
420484-50MG:
420484-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BGBC4894V
BGBC4340V
BGBC0007
1452314V
1452314

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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)
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

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