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[Chemical Knowledge]：Properties and Uses of o-Isobutyl Phenol

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Ortho-isobutylphenol (o-Isobutylphenol) is an important raw material for chemical production, which is widely used in fine chemicals, plastics, rubber, medicine and other fields. The properties and uses of o-isobutylphenol are described in detail in this paper.

1. Properties of o-Isobutylphenol

o-Isobutylphenol is a colorless or yellowish crystalline solid with typical odor of phenolic compounds. Its molecular formula is C10H14O and its molecular weight is 150.22. The melting point of ortho-isobutyl phenol is higher, generally between 45-47 ℃, and the boiling point is 225 ℃. It is insoluble in water, but soluble in most organic solvents, such as ethanol, ether, acetone, etc.

o-isobutylphenol has strong acidity and can be used as an acid catalyst. At the same time, the hydrogen atom on the phenolic hydroxyl group has certain activity, and can be substituted, oxidized, condensed and other reactions, so it can be used to synthesize a variety of derivatives.

2. o-butyl phenol use

1. antioxidant
o-butyl phenol as an antioxidant, can be widely used in plastics, rubber, grease and other polymer materials, effectively prolong the service life of the material. When it is used in combination with other antioxidants, it can play a synergistic effect.
2. heat stabilizer
o-isobutyl phenol can be used as a heat stabilizer, used in the processing of PVC and other plastics, improve the thermal stability of the material, to prevent its decomposition during processing.
3. ultraviolet absorber
o-isobutyl phenol has a certain ultraviolet absorption performance, can be used as ultraviolet absorber, used to protect polymer materials from ultraviolet damage.
4. pharmaceutical intermediates
o-isobutyl phenol can be used as pharmaceutical intermediates for the synthesis of a variety of drugs, such as anti-inflammatory drugs, anti-cancer drugs.

In conclusion, o-isobutylphenol, as an important raw material for chemical production, has a wide range of applications in many fields. With the continuous development of science and technology, its application field will continue to expand.

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