UNISURF NP 9 (NONYLPHENOL + 9 EO)
General Information
UNISURF NP 9 is a high-performance non-ionic surfactant based on nonylphenol ethoxylated with an average of 9 moles of ethylene oxide. It provides outstanding emulsifying, wetting, and dispersing performance and is widely used in industrial cleaning, agrochemical applications, and textile processing. While it is not readily biodegradable, UNISURF NP 9 delivers excellent stability and functionality in demanding chemical systems.
Product Properties
| Property | Description |
|---|---|
| Chemical Name | Nonylphenol Ethoxylate (9EO) |
| INCI Name | Nonoxynol-9 |
| CAS Number | 9016-45-9 |
| Appearance | Clear to light yellow liquid |
| Odor | Mild characteristic |
| Solubility | Soluble in water and solvents |
| pH (1% solution) | 6.0 – 8.0 |
| Active Content (%) | ~100 |
| Biodegradability | Not readily biodegradable |
Technical Specifications
| Parameter | Value |
| Density (20°C) | 1.03 – 1.06 g/cm³ |
| Viscosity (25°C) | 200 – 400 mPa.s |
| Cloud Point (1% in water) | ~60°C |
| Shelf Life | Minimum 24 months |
| Storage | 10°C – 30°C |
Application Areas
| Industry | Examples | Function |
| Industrial Cleaning | Degreasers, heavy-duty detergents | Emulsifier, wetting agent |
| Agrochemicals | Herbicide carriers, adjuvants | Solubilizing, dispersing agent |
| Textiles | Pretreatment and dyeing processes | Wetting, emulsification |
Advantages
Excellent emulsifying and wetting performance
Effective across a broad pH range and in harsh conditions
High solubilizing capacity for oils and hydrophobic substances
Compatible with various surfactant types
Trusted in chemically intensive industrial environments
Packaging & Storage
| Feature | Specification |
| Packaging Options | 200 kg drums / 1000 kg IBCs |
| Shelf Life | Minimum 24 months |
| Storage Conditions | Store in a cool, dry place (10–30°C) |
| Transport Classification | Non-hazardous liquid |
Safety & Handling
Avoid direct contact with eyes and prolonged skin exposure
Use appropriate protective equipment when handling the material
Store tightly sealed and away from sources of ignition or heat
Dispose of in accordance with local environmental regulations
Conclusion
UNISURF NP 9 is a reliable, high-performance non-ionic surfactant designed for demanding applications that require superior emulsification, wetting, and dispersion. It offers consistent functionality in industrial, agrochemical, and textile formulations where effectiveness and stability are critical.
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