309583

Pentaethylene glycol di(p-toluenesulfonate)

95%

• Synonym(s): 3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylate, Pentaethylene glycol ditosylate
• Linear Formula: CH₃C₆H₄SO₃(CH₂CH₂O)₅SO₂C₆H₄CH₃
• CAS Number: 41024-91-3
• Molecular Weight: 546.65
• Beilstein: 3599245
• MDL number: MFCD00012204
• UNSPSC Code: 12352100
• PubChem Substance ID: 24858741
• NACRES: NA.22

Properties

• Assay: 95%
• form: viscous liquid
• refractive index: n20/D 1.524 (lit.)
• density: 1.26 g/mL at 25 °C (lit.)
• functional group: ether; tosylate
• 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

Description

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 calix[4]arenes, calix[5]arenes and crown ethers.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 230.0 °F - closed cup
• Flash Point(C): 110 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves