Nonoxynols

Nonoxynols
Nonoxynol-9
Names
Other names
  • nonylphenol ethoxylates (NPE)
  • ethoxylated nonylphenol
  • nonaethylene glycols
  • polyethylene glycol nonyl phenyl ethers
  • (nonylphenoxy)polyethyleneoxide
  • Nonoxynol-n
  • PEG-n nonyl phenyl ether
  • Arkopal Nn0
Identifiers
ECHA InfoCard 100.105.533
EC Number
  • 500-024-6
Properties
C15+2nH24+4nO1+n
Molar mass Variable
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Nonoxynols, also known as nonylphenol ethoxylates (NPEs), are a group of nonionic surfactants within the alkyl phenol ethoxylate superfamily. Alkyl phenol ethoxylates (APEs, APEO) have the chemical formula RC6H4(OC2H4)nOH (1 < n < 20). Nonoxynols are the subfamily of APEs with R = iso-C9H19 (iso-nonyl). Like almost all APEs, nonoxynols are colorless (or nearly so) oils. Nonoxynols are used as detergents, emulsifiers, wetting agents or defoaming agents. The most commonly discussed compound nonoxynol-9 is a spermicide, formulated primarily as a component of vaginal foams and creams. Nonoxynol was found to metabolize into free nonylphenol when administered to lab animals.


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