Pentaethylene glycol monododecyl ether

Pentaethylene glycol monododecyl ether^[1]

IUPAC name	2-[2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol
Other names	Dodecylpentaglycol Laureth-5
Abbreviations	C12E5
Identifiers
CAS number	3055-95-6
PubChem	18281
SMILES	CCCCCCCCCCCCOCCOCCOCCOCCOCCO
Properties
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, 100 kPa) Infobox disclaimer and references

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

References

^ Pentaethylene glycol monododecyl ether at Sigma-Aldrich
^ 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: 572-575.