Nonionic Surfactant NP9
Nonionic Surfactant NP9, also known as Nonylphenol Ethoxylate with an average of 9 moles of ethylene oxide, is a versatile emulsifier and wetting agent used in a wide range of industrial applications.
Description
Nonionic Surfactant NP9 (CAS: 9016-45-9) is a nonylphenol ethoxylate, specifically a polyoxyethylene nonylphenyl ether with an average of 9 moles of ethylene oxide. This chemical is characterized by its nonionic nature, meaning it does not carry an electrical charge when dissolved in water, making it stable across a broad pH range and tolerant to hard water. Its molecular formula, C15H24O, represents the base nonylphenol structure, with the ethoxylation degree contributing to its specific properties. NP9 functions effectively as a powerful surfactant, exhibiting excellent emulsifying, wetting, dispersing, and solubilizing properties. Its hydrophilic-lipophilic balance (HLB) value, typically around 12.9, positions it as a highly effective emulsifier for oil-in-water systems and a good wetting agent. The ethoxylation process enhances its water solubility and reduces its critical micelle concentration, leading to efficient surface activity at lower concentrations. NP9 is generally stable under various conditions and compatible with other types of surfactants, including anionic, cationic, and amphoteric systems, which allows for its inclusion in complex formulations. It is derived from a petrochemical basis, with the nonylphenol moiety linked to a polyoxyethylene chain.
Applications
Nonylphenol Ethoxylate NP9 finds extensive use across numerous industrial sectors due to its multifaceted surfactant properties. In detergent formulations, it acts as a primary cleaning agent, effectively removing grease and oil from surfaces. It is widely utilized in industrial and institutional cleaning products, including degreasers, laundry detergents, and floor cleaners. In the agricultural sector, NP9 serves as an emulsifier and wetting agent for pesticide formulations, improving their spread and adherence to plant surfaces. The textile industry employs NP9 as a scouring agent, dyeing assistant, and detergent. In paint and coating formulations, it functions as a dispersant and stabilizer. Additionally, NP9 is used in the paper industry as a deinking agent and in oilfield chemicals for demulsification and well treatment. Its versatility also extends to leather processing, metalworking fluids, and polymerization processes as an emulsifier.
Storage & Handling
Store in a cool, dry, well-ventilated area away from direct sunlight and incompatible materials. Keep containers tightly closed. Handle with appropriate personal protective equipment. Avoid contact with skin, eyes, and clothing. Ensure good industrial hygiene practices are followed.
Warning
- H319 Causes serious eye irritation
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