of a simple non-ionic surfactant (nonyl-phenol ethoxylate with an average degree of ethoxylation of 9.5 units in water at 100 mg/L). Nonylphenol ethoxylates (NPEs) represent the main product type in this group. BC Surfactant NP-9, or nonylphenol ethoxylate, is used primarily, as the name suggests, as a nonionic (having no electric charge in water) surfactant. Nonylphenol is also often used an intermediate in the manufacture of the non-ionic surfactants nonylphenol ethoxylates, which are used in detergents, paints, pesticides, personal care products, and plastics. It is important that not only NP but also NPnEO and their related substances are analysed when behaviour of NP in the wastewater treatment process is surveyed. Little Pro on 2016-11-27 Views: . Nonylphenol (NP, CAS 25154-52-3) and Nonylphenol Ethoxylates (NPE) are non-ionic surfactants that used to be widely used in detergents and formulations.Nonylphenol(NP) is persistent in the aquatic environment, moderately bioaccumulative, and extremely toxic to aquatic organisms. The most widely-used of the nonionic surfactants are alkylphenols and alkylphenol ethoxylates, with nonylphenol (NP) making up approximately 85% of the alkylphenol market and nonylphenol ethoxylate (NPE) making up more than 80% of the alkylphenol ethoxylate market in North America. Nonylphenol (NP) is known to be a byproduct of nonylphenol ethoxylates (NPnEO) which are used as detergents in industry. These nonionic surfactants are used as emulsifiers, wetters, and dispersants in a variety of applications. Nonyl Phenol (NP) and Nonylphenol Ethoxylates (NPE) are two of the most widely used members of the alkylphenol and alkylphenol ethoxylate family of non-ionic surfactants. Univar Solutions is here to serve your nonylphenol ethoxylates needs. NPnEO are biodegrad … Nonylphenol Ethoxylates are nonionic surfactants composed of ethylene oxide and adduct of Nonylphenol. Nonylphenol and Nonylphenol Ethoxylates. Nonylphenol Ethoxylates vary in physical appearance from clear or slightly hazy, colorless liquids to white solids, depending upon the level of ethoxylation. There is a wide HLB range depend their molar ratios between nonylphenol and E.O. Nonylphenol and nonylphenol ethoxylates are only used as components of household detergents outside of Europe. The common mole ratio forms for detergency are NPE 9 - 12, where the number indicates ethoxylate chain length. 2 Note that the measured surface tension changes with the rate of ring pull-through, in the case of the surfactant As NPE clearly requires replacement, mainly due to the environmental toxicity of the primary degradate (nonylphenol, or NP), the objective of this AA is to identify an appropriate alternative chemical(s) as a substitute surfactant. Application: Wetting Agents Detergents Penetrant Dispersant. They are known for their excellent detergency, outstanding wetting, versatile solubility characteristics, low odor, good rinse-ability, and exceptional handling properties. Alkylphenol ethoxylates (APEs) are a group of nonionic surfactants that have been popular for more than 40 years due to their effectiveness, economy and ease of handling and formu-lating. Nonylphenol Ethoxylates up to 6 Moles are water dispersible. 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