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ChemicalBook--->CAS DataBase List--->42749-28-0

42749-28-0

42749-28-0 Structure

42749-28-0 Structure
IdentificationBack Directory
[Name]

PEG7-Tos
[CAS]

42749-28-0
[Synonyms]

PEG7-Tos
Tos-PEG6-OH
OH-PEG6-OTS
OH-PEG6-Tos
Hydroxy-peg7-ots
Tos-PEG6-alcohol
HO-(CH2CH2O)6-Tos
3,6,9,12,15-Pentaoxaheptadecane-1,17-diol, 1-4-methylbenzenesulfonate
17-[(4-methylbenzenesulfonyl)oxy]-3,6,9,12,15-pentaoxaheptadecan-1-ol
toluene-4-sulfonic acid 2-[2-(2-{2-[2-(2-hydroxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethyl ester
[Molecular Formula]

C19H32O9S
[MDL Number]

MFCD20926395
[MOL File]

42749-28-0.mol
[Molecular Weight]

436.52
Chemical PropertiesBack Directory
[Boiling point ]

555.5±50.0 °C(Predicted)
[density ]

1.196±0.06 g/cm3(Predicted)
[form ]

Liquid
[pka]

14.36±0.10(Predicted)
[color ]

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


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard InformationBack Directory
[Description]

PEG7-Tos is a PEG linker containing a hydroxyl group with a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
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