309583

Sigma-Aldrich

Pentaethylene glycol di(p-toluenesulfonate)

95%

Synonym(s):
Pentaethylene glycol ditosylate, 3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylate
Linear Formula:
CH3C6H4SO3(CH2CH2O)5SO2C6H4CH3
CAS Number:
Molecular Weight:
546.65
Beilstein/REAXYS Number:
3599245
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level

assay

95%

refractive index

n20/D 1.524 (lit.)

density

1.26 g/mL at 25 °C (lit.)

SMILES string

Cc1ccc(cc1)S(=O)(=O)OCCOCCOCCOCCOCCOS(=O)(=O)c2ccc(C)cc2

InChI

1S/C24H34O10S2/c1-21-3-7-23(8-4-21)35(25,26)33-19-17-31-15-13-29-11-12-30-14-16-32-18-20-34-36(27,28)24-9-5-22(2)6-10-24/h3-10H,11-20H2,1-2H3

InChI key

BUHGDYPBQWWWQS-UHFFFAOYSA-N

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Application

Pentaethylene glycol di(p-toluenesulfonate) was used in the preparation of 3′-formylbenzo-18-crown-6 by undergoing coupling reaction with 2,3-dihydroxybenzaldehyde. It was also used to prepare calix4arenes, calix5arenes and crown ethers.

Packaging

5, 25 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

Xi

Risk Statement

36/37/38

Safety Statement

26-36

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Certificate of Analysis
Certificate of Origin
Complexation and Transport of Zwitterionic Amino Acids by an Artificial Receptor.
Bull. Korean Chem. Soc., 20, 129-131 (1999)
Pure and Applied Chemistry. Chimie Pure Et Appliquee, 65, 585-585 (1993)
Mubarak Ali et al.
Langmuir : the ACS journal of surfaces and colloids, 33(36), 9170-9177 (2017-08-11)
We demonstrate experimentally and theoretically a nanofluidic device for the selective recognition of the cesium ion by exploiting host-guest interactions inside confined geometry. For this purpose, a host molecule, i.e., the amine-terminated p-tert-butylcalix[4]arene-crown (t-BuC[4]C-NH
Tetrahedron, 49, 6019-6019 (1993)
Chem Express, 8, 471-471 (1993)

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