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[Chemical Knowledge]：Properties and Uses of o-Chlorophenol

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O-chlorophenol is an important organic chemical raw material, which is widely used in medicine, pesticides, dyes, spices and other fields. This paper will detail the properties and uses of o-chlorophenol.

1. the properties of o-chlorophenol

o-chlorophenol is a colorless or slightly yellow crystalline solid with a strong pungent odor. It is insoluble in water, but soluble in ethanol, ether, acetone and other organic solvents. The melting point of o-chlorophenol is low, 33-36 ℃, and the boiling point is 172 ℃, which has strong volatility.

o-chlorophenol has strong acidity and can react with alkali to form salt. In addition, o-chlorophenol has strong reducibility and is easily oxidized to generate o-chlorobenzoquinone.

o-chlorophenol is more toxic, has a strong irritating effect on the eyes, skin and respiratory system, and can cause skin burns, eye damage and respiratory tract inflammation. Therefore, special care is required when handling o-chlorophenol, and strict safety measures should be taken.

to 2. the use of o-chlorophenol

1.
in the field of medicine o-chlorophenol can be used to produce a variety of pharmaceutical intermediates, such as the drug clofibrate for the treatment of cardiovascular diseases, the drug cyclophosphamide for the treatment of tumors. In addition, o-chlorophenol can also be used to prepare antibacterial drugs, antipyretic analgesics, anesthetics, etc.

2. Pesticide field
o-chlorophenol can be used to produce a variety of pesticides, such as fungicides, insecticides, herbicides, etc. For example, dichlorophenol produced by the reaction of o-chlorophenol and formaldehyde has a strong bactericidal effect and can be used to control crop diseases.

3. dye field
o-chlorophenol can be used to prepare a variety of dyes, such as acid dyes, direct dyes, disperse dyes, etc. These dyes can be used for dyeing and printing in textile, printing and dyeing, leather and other industries.

4. Fragrance field
o-chlorophenol has a special odor and can be used to prepare a variety of fragrances, such as vanillin, vanillic acid, etc. These spices can be used for flavoring and flavoring in the food, cosmetics and other industries.

In conclusion, o-chlorophenol, as an important organic chemical raw material, is widely used in the fields of medicine, pesticide, dye, spice and so on.

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