Nonylphenol Ethoxylate
Nonylphenol Ethoxylate (NPEO) is a non-ionic surfactant widely used for its excellent emulsifying, wetting, and dispersing properties in various industrial applications.
Description
Nonylphenol Ethoxylate (NPEO), with CAS Registry Number 9016-45-9 and chemical formula C15H24O, is a class of non-ionic surfactants produced by the ethoxylation of nonylphenol. The ethoxylation process involves reacting nonylphenol with varying numbers of ethylene oxide units, yielding a diverse range of NPEO compounds with different degrees of ethoxylation. This structural variability allows for tailoring their physiochemical properties, including hydrophilicity and hydrophobicity, to suit specific application requirements. NPEOs are characterized by their amphiphilic nature, possessing both a hydrophobic nonylphenol group and a hydrophilic polyoxyethylene chain. This dual character enables them to reduce surface tension between liquids, solids, and gases, making them highly effective as emulsifiers, wetting agents, detergents, and dispersants. Their efficacy spans a broad pH range and in various temperature conditions, contributing to their widespread industrial utility. The specific number of ethylene oxide units dictates the surfactant's cloud point, solubility, and overall performance in a given formulation.
Applications
Nonylphenol Ethoxylate finds extensive application across numerous industrial sectors due to its versatile surfactant properties. In detergents and cleaners, it serves as a primary degreaser and emulsifier for both household and industrial formulations. The textile industry utilizes NPEO as a wetting agent, scouring agent, and dyeing assistant to ensure uniform processing and improved dye penetration. In agriculture, it acts as an adjuvant for pesticides, enhancing their spreading and adhesion on plant surfaces, thereby improving efficacy. The paint and coatings industry employs NPEO as a dispersant for pigments and fillers, contributing to color stability and uniform coating application. Furthermore, it is used in pulp and paper manufacturing for deinking and as a pitch control agent, and in the oil and gas sector as an emulsifier and demulsifier in drilling fluids and crude oil processing.
Storage & Handling
Store in a cool, dry, well-ventilated area away from direct sunlight and incompatible materials. Keep containers tightly closed. Avoid contact with skin and eyes. Wear appropriate personal protective equipment during handling. Ensure adequate ventilation during use.
Warning
- H319 Causes serious eye irritation
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