[Chemical Knowledge]：Properties, uses, upstream and downstream raw materials, storage methods of ortho-isopropylphenol, ortho-diisopropylbenzene

Properties of o-isopropylphenol

ortho-isopropyl phenol (o-Isopropylphenol, abbreviated as OIPP) is an organic compound with the chemical formula C9H12O. It is a derivative of phenol in which one hydrogen atom is replaced by an isopropyl group. OIPP appears as a colorless to pale yellow liquid at room temperature, with a fragrant odor. It has a boiling point of about 220°C, a melting point of about 8°C and a density of 0.98g/cm³. OIPP is stable to light and air, but may decompose under high temperature conditions. It has a certain degree of volatility and corrosiveness, so it is necessary to pay attention to safety when handling.

Use of o-isopropyl phenol

OIPP has a wide range of uses in industry, mainly in the following areas:

1. antioxidant: OIPP is an effective antioxidant, which is widely used in plastic, rubber and other polymer materials, which can effectively prevent the aging of materials and extend their service life.
2. Disinfectants and antiseptics due to its excellent antibacterial properties, OIPP is used in the manufacture of disinfectants and antiseptics, which are widely used in medical, sanitary and daily chemicals.
3. organic synthesis intermediate OIPP is used as an intermediate in organic synthesis and is involved in the production of a variety of chemicals, such as pharmaceutical intermediates, dyes and pesticides.
4. Spices: OIPP's aromatic properties have led to its application in the fragrance industry for the manufacture of various flavors and fragrances.

Upstream and downstream raw materials of o-isopropyl phenol

upstream raw materials

the main upstream feedstocks for OIPP include phenol and isopropanol:

1. phenol: Phenol is one of the key raw materials for the manufacture of OIPP, and OIPP can be generated by introducing isopropyl through chemical reaction. Phenol itself is oxidized by benzene and oxygen in the presence of a catalyst.
2. Isopropyl alcohol isopropyl alcohol is used to provide the isopropyl group, which is introduced into the phenol molecule by an alkylation reaction. Isopropanol is produced primarily by the hydration of propylene.

Downstream Products

OIPP is used as an intermediate or additive, and its downstream products include:

1. antioxidant Products: Used in plastics, rubber and other industries to improve the durability and anti-aging performance of products.
2. Disinfectant such as hand disinfectant, surface cleaner, etc., used for medical hygiene and household cleaning.
3. Organic Chemicals such as pharmaceutical intermediates, used in the synthesis of various drugs.
4. Spices and flavors: Used in the cosmetics and food industries for the formulation of fragrance.

Production process of o-isopropyl phenol

the production of OIPP is mainly achieved by the alkylation reaction of phenol and isopropanol. The typical production process is as follows:

1. raw material preparation: Phenol and isopropanol are mixed in a certain proportion.
2. catalytic reaction in the presence of a catalyst (such as an acid catalyst), phenol and isopropanol undergo an alkylation reaction to form OIPP.
3. separation and purification: Through distillation and other separation methods, the generated OIPP is separated from the reaction mixture and further purified to obtain high-purity OIPP products.
4. Storage and packaging: The purified OIPP needs to be properly stored and packaged to prevent its quality from being affected by the environment.

Storage method of o-isopropyl phenol

because OIPP is volatile and corrosive, its storage requires special attention. Here are some recommended storage methods:

1. container Selection: Use containers made of corrosion-resistant materials, such as glass or stainless steel containers, and avoid using metal containers that are prone to corrosion.
2. Sealed storage: The container should be sealed to prevent the volatilization and oxidation of OIPP, and to avoid the entry of moisture and air.
3. Temperature control: The storage environment should be kept cool and dry, avoiding high temperature and direct sunlight to prevent OIPP from decomposing or deteriorating due to temperature rise.
4. Fireproof and explosion-proof: Due to the flammability of OIPP, the storage site should be equipped with appropriate fire and explosion prevention measures, away from fire and heat sources, and equipped with fire extinguishing equipment.

Safety and environmental protection

when using and handling OIPP, pay attention to its safety and environmental protection issues:

1. personal Protection: Operators should wear protective gloves, protective glasses and protective clothing to avoid skin and eye contact with OIPP.
2. Ventilation: The operating area should maintain good ventilation to avoid the accumulation of OIPP volatiles, causing air pollution and health hazards.
3. Leakage treatment: In case of leakage, it should be handled in time, cleaned with adsorption materials, and properly disposed of pollutants to prevent environmental pollution.
4. Waste disposal discarded OIPP and its containers shall be disposed of in accordance with hazardous waste disposal specifications to avoid environmental pollution.

Market Analysis and Prospects

OIPP market demand is mainly driven by the following factors:

1. industrial Demand with the wide application of polymer materials such as plastics and rubber, the demand for OIPP as an antioxidant is steadily increasing.
2. Medical and Hygiene: OIPP is widely used in disinfectants and antiseptics, especially in the context of frequent public health incidents, and the demand is expected to continue to increase.
3. organic synthesis as an organic synthesis intermediate, OIPP has important applications in medicine, pesticides and other fields, and has broad market prospects.

Overall, with the continuous expansion of downstream applications and technological progress, OIPP's market prospects are good. However, it is also necessary to pay attention to the impact of raw material price fluctuations, environmental protection policies and market competition on the development of the industry.

Conclusion

as an important chemical raw material, o-isopropylphenol has a wide range of applications and market potential. Its good antioxidant and antibacterial properties make it irreplaceable in many fields. With the continuous progress of technology and the growth of market demand, the application prospect of OIPP will be broader. In the process of production and use, safety and environmental protection regulations must be strictly followed to ensure its sustainable development.