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Heptaethylene glycol

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Heptaethylene glycol Basic information

Product Name:
Heptaethylene glycol
Synonyms:
  • 3,6,9,12,15,18-Hexaoxaeicosane-1,20-diol
  • 3,6,9,12,15,18-Hexaoxaicosane-1,20-diol
  • HEPTAETHYLENE GLYCOL
  • HO-PEG7-OH
  • heptaMethelene glycol
  • 2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol
  • Heptaethylene glycol 98%
  • HeptaethyleneGlycol>
CAS:
5617-32-3
MF:
C14H30O8
MW:
326.38
EINECS:
227-040-3
Product Categories:
  • Ethylene Glycols
  • Ethylene Glycols & Monofunctional Ethylene Glycols
  • peg
Mol File:
5617-32-3.mol
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Heptaethylene glycol Chemical Properties

Boiling point:
244 °C / 0.6mmHg
Density 
1.13
refractive index 
1.4653 (589.3 nm 20℃)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform, Ethyl Acetate (Sparingly)
pka
14.06±0.10(Predicted)
form 
Oil
color 
Colourless
InChI
InChI=1S/C14H30O8/c15-1-3-17-5-7-19-9-11-21-13-14-22-12-10-20-8-6-18-4-2-16/h15-16H,1-14H2
InChIKey
XPJRQAIZZQMSCM-UHFFFAOYSA-N
SMILES
C(O)COCCOCCOCCOCCOCCOCCO
EPA Substance Registry System
Heptaethylene glycol (5617-32-3)
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Safety Information

HS Code 
2909498090
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Heptaethylene glycol Usage And Synthesis

Description

Heptaethylene glycol contains repeating ethylene glycol subunits and two terminal hydroxyl groups. The hydroxyl groups can react to further derivatize the compound. The hydrophilic PEG linker increases the water solubility of a compound in aqueous media. The water solubility properties of the PEG linker are enhanced with longer PEG chains.

Uses

Heptaethylene Glycol is used for the preparation of large ring crown ether compounds.

Definition

ChEBI: Heptaethylene glycol is a poly(ethylene glycol).

General Description

Heptaethylene glycol belongs to the class of organic compounds known as polyethylene glycols. These are oligomers or polymers of ethylene oxide, with the general formula (C2H4O)n (with n>=3). It is an extremely weak basic (essentially neutral) compound (based on its pKa). Heptaethylene glycol is a PEG-based PROTAC linker that can be used to synthesise PROTACs.

IC 50

PEGs

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