Np-4 Surfactant

NP-4 Surfactant (Nonylphenol Ethoxylate, 4 EO) is a powerful nonionic surfactant widely used in industrial, agricultural, and specialty chemical applications. Known for its excellent emulsifying, wetting, and dispersing properties, NP-4 is especially effective in formulations that require strong detergency, solubility enhancement, and surface tension reduction. Its lower ethoxylation level (4 moles of ethylene oxide) makes it more lipophilic, giving it excellent performance in oil-based and hydrophobic systems.

In industrial use, NP-4 surfactant is incorporated into cleaning products, metal degreasing formulations, textile processing, and coatings, where it improves penetration, emulsification, and overall cleaning power. It is also widely applied in agrochemical formulations, emulsifiable concentrates (ECs), and oilfield chemicals, where it enhances the dispersion and delivery of active ingredients. With its broad compatibility, high performance in oil-rich systems, and cost-effectiveness, NP-4 surfactant remains a critical additive across industries including agriculture, textiles, coatings, oil and gas, cleaning, and specialty chemical production.

Synonyms: Nonylphenol ethoxylate-4, NPE-4, poly(oxyethylene) nonylphenyl ether

Characteristics:

IUPAC Name: N/A

CAS Number: Mixture

UN Number: 3082

Recommended Use / Industries:

• Industrial cleaners and degreasers
• Oilfield and drilling chemicals
• Textile auxiliaries
• Agrochemical emulsifier