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[Chemical Knowledge]：Properties and Uses of Propyl Isobutyl Acetophenone

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Propyl Isobutyl Ketone (PIBPK) is a common raw material for chemical production, which has many important properties and uses. This article will detail the nature, production methods, safety and main uses of PIBPK.

1. properties

Propyl isobutyl acetophenone is a colorless transparent liquid with elegant fragrance. Its molecular formula is C16H22O and its molecular weight is 230.34. PIBPK has a high boiling point of 145~147 ℃(1.33kPa) and a melting point of -19 ℃. It is insoluble in water, but soluble in most organic solvents, such as ethanol, ether, acetone, etc. In addition, PIBPK also has good thermal stability and oxidation resistance.

2. production methods There are two main methods for the production of

isobutyl acetophenone: one is through the esterification of acetophenone and isobutanol under the action of an acidic catalyst to produce isobutyl acetophenone, and then through transesterification with allyl alcohol to produce PIBPK; the other is through the condensation reaction of acetophenone and isobutyraldehyde to produce propyl isobutyl acetophenone. Both methods can obtain higher yields.

3. safety

Propyl isobutyl acetophenone as a raw material for chemical production, which has certain toxicity. It is irritating to the skin and eyes, and long-term exposure may cause health effects. Therefore, in the process of production and use, it is necessary to strictly abide by the safety operation procedures, wear protective equipment, and avoid direct contact. In addition, PIBPK should be stored in a cool and ventilated warehouse, away from fire and heat sources.

4. Main Uses

Propyl isobutyl acetophenone As an important chemical raw material, it is widely used in various fields. The following are its main uses:

1. Fragrance Manufacturing: PIBPK has an elegant fragrance and can be used to prepare various flavors. It is widely used in food, cosmetics, detergents and other fields.
2. Organic synthesis: PIBPK can be used as an intermediate in organic synthesis for the synthesis of many important compounds, such as drugs, pesticides, dyes and so on.

In conclusion, propyl isobutyl acetophenone, as a common raw material for chemical production, has many important properties and uses. In the future development, with the progress of science and technology and the expansion of application, the application field of propyl isobutyl acetophenone will be more extensive.

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