Polyethylene glycol tert - Octylphenyl ether, with the CAS number 26636 - 32 - 8, is a well - known non - ionic surfactant. It appears as a clear to slightly yellowish liquid or semi - solid depending on its ethoxylation degree at room temperature. It has good solubility in water, alcohols, and many organic solvents. The product is typically supplied by factories at a low price, which makes it an economic choice for various industries.
The molecular formula of this product is C₈H₁₇C₆H₄(OCH₂CH₂)ₙOH, where n represents the number of ethylene oxide units. The value of n can vary, leading to different physical and chemical properties. Generally, it has a relatively low toxicity and is stable under normal storage conditions. When stored in a cool, dry place away from direct sunlight and sources of ignition, its shelf - life can be guaranteed for a long time.
Polyethylene glycol tert - Octylphenyl ether has a wide range of applications in different industries:
**In the Detergent Industry**: It is used as an important ingredient in household and industrial detergents. Its excellent emulsifying, wetting, and dispersing properties help to remove dirt and grease effectively. It can reduce the surface tension of water, allowing the detergent to spread evenly on the surface to be cleaned and penetrate into the stains.
**In the Textile Industry**: It serves as a scouring agent, emulsifier, and leveling agent. During the textile processing, it can remove impurities from the fibers, help in the uniform distribution of dyes, and improve the color fastness of the fabric.
**In the Agricultural Field**: It is used as an adjuvant in pesticides. It can enhance the wetting and spreading ability of pesticides on plant surfaces, improving the efficacy of pesticides and reducing the dosage required.
When using polyethylene glycol tert - Octylphenyl ether, it is necessary to follow certain safety and operation procedures.
**Dilution**: Usually, it needs to be diluted with water or other solvents according to the specific application requirements. The dilution ratio should be determined based on the nature of the task, such as the type of dirt to be cleaned or the concentration of pesticides to be formulated. For example, in a light - duty detergent, a lower concentration may be sufficient, while in a heavy - duty industrial cleaning agent, a relatively higher concentration might be needed.
**Mixing**: When mixing it with other chemicals, it is important to add it slowly and stir evenly. This can prevent the formation of agglomerates and ensure the stability of the entire system. For instance, when used in a pesticide formulation, it should be added to the pesticide solution under continuous stirring to achieve a homogeneous mixture.
**Safety Precautions**: Wear appropriate protective equipment such as gloves and goggles when handling this product. In case of skin contact, wash the affected area immediately with plenty of water. If accidentally ingested, seek medical attention immediately.
**Case 1: Household Detergent Application**
A household detergent manufacturer used polyethylene glycol tert - Octylphenyl ether in their new dish - washing liquid formula. They added it at a concentration of 5% in the formula. The product showed excellent performance in removing stubborn oil stains on dishes. Compared with the previous formula without this surfactant, the new dish - washing liquid had better foaming ability and cleaning power. Consumers reported that the dishes were cleaner after using the new product, and the utensils were easier to rinse, leaving no residue.
**Case 2: Textile Processing**
In a textile factory, this surfactant was used as a leveling agent during the dyeing process of cotton fabric. The factory applied it at a dosage of 2 g/L in the dye bath. As a result, the color of the dyed fabric was more uniform, and there were no color streaks or uneven dyeing problems. The color fastness of the fabric was also improved, which met the high - quality standards of the textile market.
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