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[Chemical Knowledge]：Production and manufacturing method and process flow of phorone

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Phorone is an important raw material for chemical production, which is widely used in medicine, pesticide, spice and other fields. This article will introduce the manufacturing method of forone, including raw material preparation, reaction steps, post-processing and so on.

1. raw material preparation

manufacturing phorone need to prepare the following raw materials: phenol, acetone, sodium hydroxide. Wherein, the ratio of phenol and acetone is 1:1, and the amount of sodium hydroxide is 10% of the mass of phenol.

2. reaction step

1. add phenol and acetone into the reaction kettle according to the proportion, and stir well.

2. slowly add sodium hydroxide solution under stirring, control the reaction temperature at 60-70 DEG C, the reaction time is about 2 hours.

3. After completion of the reaction, the reaction solution was cooled to room temperature to precipitate crystals of phorone.

3. Post-Treatment

1. Precipitated crystals of horone were filtered and washed with a small amount of cold water to obtain a crude product of horone.

2. The crude product of horone is added to a distillation kettle, and subjected to vacuum distillation to collect a fraction with a boiling point of 170-175 ° C. to obtain a finished product of horone.

4. precautions

1. During the reaction process, the reaction temperature and the addition speed of sodium hydroxide should be strictly controlled to avoid side reactions or coking.

2. In the post-processing process, to ensure the tightness of the equipment and vacuum, in order to avoid the contamination or oxidation of the finished product.

5. manufacturing advantages
the manufacturing method of
phorone has the advantages of easy availability of raw materials, simple operation and high yield, and can obtain high purity phorone products, which has good application prospects.

In short, the manufacturing method of horone requires a certain amount of chemical knowledge and skills, and at the same time requires strict compliance with laboratory safety procedures to ensure the smooth progress of the manufacturing process and the safety of personnel.

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