Pentaethylene glycol monododecyl ether

Pentaethylene glycol monododecyl ether

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Names
IUPAC name 2-[2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol
Other names Dodecylpentaglycol Laureth-5
Identifiers
CAS Number	3055-95-6
Abbreviations	C12E5
ChemSpider	17268 Y
Jmol 3D model	Interactive image
PubChem	18281
InChI InChI=1S/C22H46O6/c1-2-3-4-5-6-7-8-9-10-11-13-24-15-17-26-19-21-28-22-20-27-18-16-25-14-12-23/h23H,2-22H2,1H3 Y Key: LAPRIVJANDLWOK-UHFFFAOYSA-N Y InChI=1/C22H46O6/c1-2-3-4-5-6-7-8-9-10-11-13-24-15-17-26-19-21-28-22-20-27-18-16-25-14-12-23/h23H,2-22H2,1H3 Key: LAPRIVJANDLWOK-UHFFFAOYAV
SMILES O(CCO)CCOCCOCCOCCOCCCCCCCCCCCC
Properties
Chemical formula	C22H46O6
Molar mass	406.59704
Density	0.963 g/mL at 20 °C
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

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

Multilamellar vesicle formation

The lamellar phase at 40wt% of C12E5 dissolved in D₂O form multilamellar vesicles under shear rate.

See also

• Octaethylene glycol monododecyl ether, C12E8