Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay Igepal CO 977 Nonylphenol Ethoxylate Nonionic Surfactant

Solvay Igepal CO-977 is a nonionic surfactant in the Igepal CO series featuring nonylphenol ethoxylate chemistry. It delivers excellent emulsification wetting and detergency in industrial cleaners agrochemicals and textile processing. Known for low foam high stability and broad pH tolerance it supports formulation flexibility and performance efficiency across demanding applications.
  • solvay igepal co 977 nonylphenol ethoxylate nonionic surfactant_8bc7d931
  • solvay igepal co 977 nonylphenol ethoxylate nonionic surfactant_8bc7d931

Features Of Solvay Igepal CO 977 Nonylphenol Ethoxylate Nonionic Surfactant

  1. Highly effective wetting and penetrating agent for rapid substrate coverage in aqueous systems.

  2. Excellent emulsification stability across a broad pH range (pH 4–12) and moderate temperature conditions.

  3. Low foaming profile, making it suitable for high-shear industrial cleaning and metalworking applications.

  4. Good compatibility with anionic, cationic, and other nonionic surfactants in formulated systems.

  5. Proven performance in hard water environments due to low sensitivity to calcium and magnesium ions.

Typical Applications Of Solvay Igepal CO 977 Nonylphenol Ethoxylate Nonionic Surfactant

  1. Industrial and institutional cleaners, including floor, surface, and equipment cleaners.

  2. Metal cleaning and pre-treatment formulations for automotive and aerospace manufacturing.

  3. Agrochemical adjuvants for enhancing pesticide and herbicide dispersion and foliar uptake.

  4. Textile processing auxiliaries, such as scouring and dye leveling agents.

  5. Emulsion polymerization stabilizers in acrylic and styrene-butadiene latex production.

Specifications Of Solvay Igepal CO 977 Nonylphenol Ethoxylate Nonionic Surfactant

Chemical TypeNonylphenol ethoxylate (NP-9.5 average EO units)
Product FormClear to slightly hazy viscous liquid
AppearancePale yellow to amber liquid at 25 °C
pH (1% aqueous solution)5.5 – 7.0
Cloud Point (1% solution)62 – 68 °C
Hydrophilic-Lipophilic Balance (HLB)13.0 – 13.8
Solubility in WaterCompletely miscible at 25 °C
Primary ApplicationsWetting, emulsification, solubilization, and dispersing


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