NP9-, also known as Nonylphenol Ethoxylate 9, is a nonionic surfactant commonly used in various industrial and commercial applications. Its unique properties make it an effective wetting agent, emulsifier, dispersant, and detergent.

key properties
- Surfactant: NP9 is a nonionic surfactant that reduces surface tension, acting as an effective wetting, emulsifying, and dispersing agent.
- Emulsification: It’s particularly good at stabilizing oil-in-water emulsions due to its specific balance of hydrophilic and hydrophobic components.
- Foam Control: The substance has moderate foaming properties, making it useful in applications where excessive foam is unwanted.
- Solubility: NP9 is a clear to hazy liquid that is soluble in both water and most organic solvents.
- pH: It’s typically stable in a neutral to slightly alkaline pH range.
Applications
- Industrial Cleaning & Processing: A key component in industrial cleaning products, metalworking fluids, and textile processing agents.
- Agrochemicals: Used to improve the spreading and effectiveness of pesticides and herbicides.
- Paints & Coatings: Functions as an emulsifier and dispersant in paint and coating formulations.
- Consumer Products: Found in various household cleaners like laundry detergents and dishwashing liquids.
Safety Precautions
- Highly Corrosive: Causes severe burns to the skin and eyes upon contact. Always wear full personal protective equipment (PPE), including safety goggles, face shield, and chemical-resistant gloves and clothing.
- Dangerous on Ingestion and Inhalation: Ingestion can cause severe burns to the mouth and throat, while inhaling dust or mist can irritate the respiratory tract.
- Exothermic Reaction: When mixing with water, always add the caustic soda slowly to the water while stirring. This prevents a violent exothermic (heat-generating) reaction that can cause splattering.
- Storage: Store in a cool, dry, and well-ventilated area in a tightly sealed container, away from acids and other incompatible materials.
