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[Chemical Knowledge]：Properties and uses of dioctyl

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Dioctyl, also known as dioctyl phthalate (Dioctyl Phthalate, referred to as DOP), is a widely used chemical production raw material. Its molecular formula is C24H38O4, which belongs to phthalate esters and has good plasticizing properties.

The following are the main properties and uses of dioctyl:

properties:

1. Colorless transparent oily liquid with special smell.
2. insoluble in water, soluble in ethanol, ether, mineral oil and other organic solvents.
3. The density is about 0.986g/cm³(20/20 ℃).
4. low viscosity, good fluidity.
5. has good heat resistance, cold resistance, electrical insulation and weather resistance.

uses:

1. Plastic processing: As a plasticizer, dioctyl can be widely used in the processing of plastics such as polyvinyl chloride (PVC), which can increase the flexibility, ductility and processability of plastics, Reduce production costs.
2. Rubber products: two octyl grease can be used in rubber products to improve the processing performance of rubber, improve the flexibility and low temperature resistance of products.
3. Coatings and adhesives: Dioctyl can be used as an additive in coatings and adhesives to improve the weather resistance, water resistance and flexibility of the product.
4. Fiber treatment: Dioctyl can be used in fiber treatment to increase the softness and elasticity of the fiber.

, it should be noted that although dioctyl is widely used in many fields, people have paid more and more attention to the toxicity of phthalate esters in recent years. Therefore, it is necessary to strictly control the dosage in practical application to ensure the safety of the product.

The above is a brief introduction to the nature and use of dioctyl. If you need more information, it is recommended to consult relevant literature or consult professionals.

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