ChemicalBook--->CAS DataBase List--->42749-27-9

42749-27-9

42749-27-9 Structure

42749-27-9 Structure
IdentificationBack Directory
[Name]

Hexaethylene glycol di(p-toluenesulfonate)
[CAS]

42749-27-9
[Synonyms]

Tos-PEG7-Tos
Bis-Tos-PEG6
hexa(ethyleneglycol) ditosylate
Hexaethylene glycol di(p-toluenesulfonate)
3,6,9,12,15-pentaoxaheptadecane-1,17-diyl bis(4-methylbenzenesulfonate)
3,6,9,12,15-Pentaoxaheptadecane-1,17-diol, 1,17-bis(4-methylbenzenesulfonate)
2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate
[Molecular Formula]

C26H38O11S2
[MDL Number]

MFCD00319275
[MOL File]

42749-27-9.mol
[Molecular Weight]

590.703
Chemical PropertiesBack Directory
[Boiling point ]

687.4±55.0 °C(Predicted)
[density ]

1.227 g/mL at 25 °C
[refractive index ]

n20/D1.521
[Fp ]

>110℃
[form ]

clear liquid
[color ]

Colorless to Light yellow to Light orange
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319
[Precautionary statements ]

P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
[WGK Germany ]

3
[HS Code ]

2909.49.1000
Hazard InformationBack Directory
[Description]

Tos-PEG7-Tos is a PEG linker containing two tosyl groups. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
[Uses]

Tos-PEG7-Tos is a supramolecular electrolyte, used as an n-type doping agent with carbon nanotube films.
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