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[Chemical Knowledge]：Properties and uses of p-tert-butylphenol

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4-tert-Butylphenol (4-tBP) is an important chemical raw material, which is widely used in the manufacture of antioxidants, plastics, rubber, oils and other chemicals. This article will detail the properties and uses of p-tert-butylphenol.

1. The properties of p-tert-butyl phenol

1. Physical properties: p-tert-butyl phenol is a white to light yellow crystalline solid with a special smell. Its melting point is higher, usually between 50-54 ℃, boiling point is 220 ℃. It is insoluble in water, but soluble in most organic solvents, such as ethanol, ether, acetone, etc.
2. Chemical properties: p-tert-butylphenol has high chemical stability, strong oxidation resistance, and can maintain stability in high temperature and oxidation environment. At the same time, it has a certain acidity and can be neutralized with alkali.

2. the use of tert-butyl phenol

1. antioxidant: tert-butyl phenol is a commonly used antioxidant, can effectively delay the aging process of polymer materials. It is widely used in the manufacturing process of polymer materials such as plastics, rubber and synthetic fibers to improve the heat resistance, oxidation resistance and weather resistance of materials.
2. Oil additives: p-tert-butyl phenol can be used as oil additives to improve the oxidation resistance and stability of oil products and prolong the service life of oil products. It is widely used in the production process of lubricating oil, fuel oil and other oil products.
3. Pesticide intermediates: p-tert-butyl phenol can be used as pesticide intermediates for the synthesis of some pesticide products. For example, it can be used in the synthesis of fungicides, herbicides and other pesticides.
4. Other chemicals: p-tert-butyl phenol can also be used to manufacture some other chemicals, such as flavors, fragrances, dyes, etc.

In short, p-tert-butyl phenol is an important raw material for chemical production and plays an important role in the manufacturing of antioxidants, plastics, rubber, oils and other chemicals. Due to its unique properties and wide range of uses, p-tert-butylphenol has an important position in the chemical industry.

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