Pentaethylene glycol di(p-toluenesulfonate)
Pentaethylene glycol di(p-toluenesulfonate) (CAS: 41024-91-3) is an organic sulfur compound with the molecular formula CH3C6H4SO3(CH2CH2O)5SO2C6H4CH3 and a molecular weight of 546.65 g/mol. This tosylate derivative of pentaethylene glycol serves as a valuable building block in organic synthesis. It is primarily employed in the preparation of macrocyclic compounds such as calixarenes and crown ethers, facilitating the construction of complex molecular architectures.
- IUPAC
- 3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylate,Pentaethylene glycol ditosylate
- Synonyms
- 3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylatePentaethylene glycol ditosylate
Synthesis of Calixarenes
This compound is a key precursor for the synthesis of calix[4]arenes and calix[5]arenes. Its structure allows for the efficient formation of the characteristic cyclic phenolic host molecules.
Crown Ether Synthesis
Pentaethylene glycol di(p-toluenesulfonate) is utilised in the construction of crown ethers. These cyclic polyethers are known for their ability to selectively bind cations.
Organic Building Block
As a difunctional tosylate, it acts as a versatile building block in organic synthesis, enabling the introduction of a pentaethylene glycol unit into various molecular frameworks.
| Molecular weight | 546.65 |
|---|---|
| Linear formula | CH3C6H4SO3(CH2CH2O)5SO2C6H4CH3 |
| Assay | 95% |
| Density | 1.26 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.524(lit.) |
| Application | Used to prepare calix[4]arenes,1 calix[5]arenes,2 and crown ethers.3 |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Pentaethylene glycol di(p-toluenesulfonate) used for?
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Pentaethylene glycol di(p-toluenesulfonate) is primarily used as a building block in organic synthesis for the preparation of calix[4]arenes, calix[5]arenes, and crown ethers.
What is the CAS number and chemical formula?
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The CAS number for Pentaethylene glycol di(p-toluenesulfonate) is 41024-91-3 and its chemical formula is CH3C6H4SO3(CH2CH2O)5SO2C6H4CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pentaethylene glycol di(p-toluenesulfonate) with an assay of 95%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Pentaethylene glycol di(p-toluenesulfonate) be handled?
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Pentaethylene glycol di(p-toluenesulfonate) is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes.
Is this chemical suitable for international export?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Pentaethylene glycol di(p-toluenesulfonate).
How can I request a sample or quote?
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To request a sample or obtain a quotation for Pentaethylene glycol di(p-toluenesulfonate), please contact our sales team through the website or by phone.
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