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  2. Nonylphenol - Wikipedia

    en.wikipedia.org/wiki/Nonylphenol

    A branched nonylphenol, 4-nonylphenol, is the most widely produced and marketed nonylphenol. [12] The mixture of nonylphenol isomers is a pale yellow liquid, although the pure compounds are colorless. The nonylphenols are moderately soluble in water [12] but soluble in alcohol.

  3. Nonoxynols - Wikipedia

    en.wikipedia.org/wiki/Nonoxynols

    Nonoxynols. Nonoxynols also known as nonaethylene glycol or polyethylene glycol nonyl phenyl ether are mixtures of nonionic surfactants 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.

  4. NP-40 - Wikipedia

    en.wikipedia.org/wiki/NP-40

    NP-40 (also known as Tergitol-type NP-40 and nonyl phenoxypolyethoxylethanol [1]) is a commercially available detergent with CAS Registry Number 9016-45-9. NP-40 is an ethoxylated nonylphenol for non-ionic surfactants and can act as emulsifier and demulsifier agent. NP-40 is often used to break open all membranes within a cell, including the ...

  5. Alkylphenol - Wikipedia

    en.wikipedia.org/wiki/Alkylphenol

    Alkylphenol. Alkylphenols are a family of organic compounds obtained by the alkylation of phenols. The term is usually reserved for commercially important propylphenol, butylphenol, amylphenol, heptylphenol, octylphenol, nonylphenol, dodecylphenol and related "long chain alkylphenols" (LCAPs). Methylphenols and ethylphenols are also ...

  6. Triton X-100 - Wikipedia

    en.wikipedia.org/wiki/Triton_X-100

    Triton X-100 (C. 14H. 22O (C. 2H. 4O)n) is a nonionic surfactant that has a hydrophilic polyethylene oxide chain (on average it has 9.5 ethylene oxide units) and an aromatic hydrocarbon lipophilic or hydrophobic group. The hydrocarbon group is a 4- (1,1,3,3-tetramethylbutyl)- phenyl group. Triton X-100 is closely related to IGEPAL CA-630, which ...

  7. Walter Giger - Wikipedia

    en.wikipedia.org/wiki/Walter_Giger

    He investigates their sources, occurrence and fate. In 1984, he discovered that in wastewater treatment plants nonylphenol ethoxylates are transformed to 4-nonylphenols, which are toxic to aquatic life. [2] After several additional studies the use of nonylphenols and nonylphenol ethoxylates was restricted in the European Union in 2003. [3]

  8. List of additives used for fracking - Wikipedia

    en.wikipedia.org/wiki/List_of_additives_used_for...

    4-Nonylphenol Polyethylene Glycol Ether Branched / Nonylphenol ethoxylated / Oxyalkylated Phenol: Chrome Wheel Cleaner, Wellbore/Pipe Cleaner, Degreaser, Emulsifier 64-19-7: Acetic acid: Silicone Sealant 68442-62-6: Acetic acid, hydroxy-, reaction products with triethanolamine: No record 108-24-7: Acetic Anhydride: No record 67-64-1: Acetone

  9. Surfactant - Wikipedia

    en.wikipedia.org/wiki/Surfactant

    1.4.1 Ethoxylates. 1.4.1.1 Fatty alcohol ethoxylates. ... (APE) break down under aerobic conditions found in sewage treatment plants and in soil to nonylphenol, ...