Polyethylene glycol

Polyethylene glycol
Names
IUPAC names
poly(oxyethylene) {structure-based},
poly(ethylene oxide) {source-based}
Other names
Kollisolv, Carbowax, GoLYTELY, GlycoLax, Fortrans, TriLyte, Colyte, Halflytely, macrogol, MiraLAX, MoviPrep
Identifiers
Abbreviations PEG
ChEMBL
ChemSpider
  • none
ECHA InfoCard 100.105.546
E number E1521 (additional chemicals)
UNII
Properties
C2nH4n+2On+1
Molar mass 44.05n + 18.02 g/mol
Density 1.125
Pharmacology
A06AD15 (WHO)
Hazards
Flash point 182–287 °C; 360–549 °F; 455–560 K
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Not to be confused with Ethylene glycol or Diethylene glycol or Polypropylene glycol or Propylene glycol.
For medical uses of polyethylene glycol, see Macrogol.

Polyethylene glycol (PEG; /ˌpɒliˈɛθəlˌiːn ˈɡlaɪˌkɒl, -ˈɛθɪl-, -ˌkɔːl/) is a polyether compound derived from petroleum with many applications, from industrial manufacturing to medicine. PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. The structure of PEG is commonly expressed as H−(O−CH2−CH2)n−OH.

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