Peregal O-20 (CAS number: 68439-49-6), also known as Leveling Agent O-20 or Peregal O-20, is a nonionic surfactant synthesized by the addition polymerization of C16-18 natural fatty alcohols with 20 ethylene oxide (EO) units. The product appears as a milky white to light yellow waxy solid or paste. Being nonionic, it exhibits good chemical compatibility.
The core value of this product lies in its multifunctional surface activity performance—it is both an efficient O/W emulsifier, capable of forming stable oil-in-water emulsions with various oils and organic solvents, and an excellent leveling and dispersing agent. In textile printing and dyeing, it effectively slows down the dyeing rate and promotes uniform dye distribution. Additionally, it possesses superior wetting and penetrating abilities, significantly reducing the surface tension of aqueous solutions and accelerating liquid penetration into porous materials such as fabrics and leather.
The nonionic nature of Peregal O-20 provides three prominent advantages: first, excellent stability against acids and bases, maintaining activity over a wide pH range; second, strong resistance to hard water, unaffected by calcium and magnesium ions; and third, broad compatibility, allowing it to be used in combination with anionic, cationic, and amphoteric surfactants for synergistic effects.
| Parameter | Description |
|---|---|
| Chemical Name | C16-18 Fatty Alcohol Polyoxyethylene (20) Ether |
| CAS Number | 68439-49-6 |
| Ionic Type | Nonionic Surfactant |
| Appearance | Milky white to light yellow waxy solid or paste |
| EO Addition Number | 20 |
| HLB Value | Not available (For precise value, please contact Guoli Chemical Technical Support) |
| Cloud Point | Not available |
| Hydroxyl Value | Not available |
| Acute Oral Toxicity LD50 (Rat) | >2000 mg/kg (Low Toxicity) |
| Biodegradability | Readily biodegradable, does not possess PBT/vPvB properties |
Textile Printing and Dyeing: As a leveling and dispersing agent, it is recommended for dyeing processes with direct dyes and vat dyes, effectively preventing color spots and streaks, improving fabric color uniformity and fastness.
Pesticide Formulations: Used as an emulsifier for water emulsions and microemulsions, reducing oil-water interfacial tension, forming stable and well-dilutable emulsion systems, and improving the effective utilization of pesticides.
Daily Chemicals: In creams, lotions, shampoos, etc., used as a primary or auxiliary O/W emulsifier, imparting a fine and glossy texture; it also can solubilize oily fragrances and active ingredients in aqueous systems.
Industrial and Household Liquid Detergents: With excellent wetting, penetrating, and emulsifying effects, it quickly strips and disperses oil stains, sweat, and other soils, significantly enhancing detergency.
Metal Processing, Papermaking, Leather: As a penetrating and wetting agent, it accelerates the penetration of treatment liquids into materials, improving processing efficiency and uniformity.