Pentaethylene glycol monododecyl ether

From Wikipedia, the free encyclopedia
  (Redirected from Laureth-5)
Jump to: navigation, search
Pentaethylene glycol monododecyl ether[1]
CAS number 3055-95-6
PubChem 18281
ChemSpider 17268 YesY
Jmol-3D images Image 1
Molecular formula C22H46O6
Molar mass 406.59704
Density 0.963 g/mL at 20 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY (verify) (what is: YesY/N?)
Infobox references

Pentaethylene glycol monododecyl ether (C12E5) is a nonionic surfactant. Its critical micelle concentration (CMC) is 7×10-5 M at 25 °C.[2]

Multilamellar vesicle formation[edit]

The lamellar phase at 40wt% of C12E5 dissolved in D2O form multilamellar vesicles under shear rate.[context?][3]

See also[edit]


  1. ^ Pentaethylene glycol monododecyl ether at Sigma-Aldrich
  2. ^ Kyoko Shinzawa-ltoh, Hidefumi Ueda, Shinya Yoshikawa, Hiroshi Aoyama, Eiki Yamashita, and Tomitake Tsukihara (1995). "Effects of Ethyleneglycol Chain Length of Dodecyl Polyethyleneglycol Monoether on the Crystallization of Bovine Heart Cytochrome c Oxidase". J. Mol. Biol. 246 (5): 572–575. doi:10.1016/S0022-2836(05)80106-8. PMID 7877177. 
  3. ^ Gentile, Luigi; Rossi, Cesare Oliviero; Olsson, Ulf; Ranieri, Giuseppe Antonio (2011). "Effect of Shear Rates on the MLV Formation and MLV Stability Region in the C12E5/D2O System: Rheology and Rheo-NMR and Rheo-SANS Experiments". Langmuir 27 (6): 2088. doi:10.1021/la1046047.