Poly(ethylene glycol)
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Poly(ethylene glycol)
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyglycol
COMMON NAMESPoly(ethylene glycol), Carbowax®
STRUCTURE BASED NAME Poly(oxyethylene), Poly(ethylene oxide)
ACRONYMS PEO, POE, PEG
CAS # 25322-68-3
CurlySMILES O{-}CC(n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 75-21-8
COMMON NAMESOxirane
SMILES O1CC1
Std. InChI 1S/C2H4O/c1-2-3-1/h1-2H2
Std. InChIKey IAYPIBMASNFSPL-UHFFFAOYSA-N
STRUCTURE
Poly(ethyleneglycol)
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-138.9 - 39.239.0
Density ρg mL-1 1.131.13
Solubility Parameter δMPa1/2 18.8 - 23.720.4
Molar Cohesive Energy EcohJ mol-1 14000 - 2240016200
Glass Transition Temperature TgK 206 - 207
243 - 246
207
245
Average: 225
Molar Heat Capacity CpJ (mol K)-190 - 9291
Entanglement Molecular Weight Meg mol-11700 - 22002000
Index of Refraction nnone1.46 - 1.51 1.46
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 44.05
Van-der-Waals Volume VvWmL mol-1 22.53
Molar Volume VmmL mol-137.6 - 42.739.8
Density ρg mL-1 1.03 - 1.171.11
Solubility Parameter δMPa1/2 18.6 - 20.619.4
Molar Cohesive Energy EcohJ mol-1 14500 - 1590015100
Glass Transition Temperature TgK 200 - 204
251
202
251
Molar Heat Capacity CpJ (mol K)-193 - 9694
Entanglement Molecular Weight Meg mol-11900 - 23502100
Index of Refraction nnone1.46 - 1.481.47

  Last updated: October 11, 2015

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