Nonyl Phenol Ethoxylate (4.5 Mole) is a highly effective non-ionic surfactant and emulsifier, widely used in industrial cleaning, textile processing, agrochemical emulsions, and various chemical formulations. It is formed by the ethoxylation of nonylphenol with approximately 4.5 moles of ethylene oxide, giving it a balanced hydrophilic-lipophilic nature ideal for emulsifying oily or greasy substances.
With its excellent wetting, detergent, dispersing, and solubilizing capabilities, it is a core ingredient in degreasers, textile scouring agents, emulsion polymerization, metal cleaners, and pesticide formulations. The 4.5 mole variant offers low foam formation and moderate solubility, making it especially suitable for heavy-duty and industrial use.
✅ Key Features:
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Non-ionic surfactant with 4.5 EO units
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Excellent emulsifying, dispersing, and wetting properties
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Stable in both acidic and alkaline environments
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Low foaming – ideal for industrial cleaners
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Compatible with other anionic and non-ionic surfactants
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Effective in hot and cold water
💡 Applications:
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Industrial degreasers and hard surface cleaners
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Emulsion polymerization in paints and coatings
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Textile and fabric scouring
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Agrochemical emulsifiers (pesticides, herbicides)
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Metal surface cleaning and maintenance
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Oilfield chemicals and drilling fluids
❓ FAQs:
Q1. What is the HLB value of NPE 4.5 Mole?
The HLB of Nonyl Phenol Ethoxylate (4.5 Mole) is around 8.8, suitable for oil-in-water emulsions with heavy oil phases.
Q2. Is it biodegradable?
NPEs are partially biodegradable but are being replaced in some countries due to environmental concerns. Always check with local regulations.
Q3. Can it be used in household products?
This variant is mostly intended for industrial and institutional use. For household or cosmetic use, milder alternatives are preferred.
Q4. What is the usage percentage?
Generally used in concentrations between 1% to 10%, depending on the formulation and application.
⚠️ Disclaimer:
This product is intended for industrial and formulation use only. Not suitable for personal care or food applications. Handle with proper PPE and store safely. Mannat Enterprises is not responsible for any misuse or non-compliant usage.