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What do you know about valerophenone CAS: 1009-14-9?

Views: 0     Author: Site Editor     Publish Time: 2022-11-05      Origin: Site

Valerophenone CAS: 1009-14-9, also known as pentyl phenone, is an organic chemical with molecular formula: C11H14O. do you want to know more about valerophenone CAS: 1009-14-9? Please read the following words.

  • What are the physical properties of valerophenone CAS: 1009-14-9?

  • What are the storage requirements for valerophenone CAS: 1009-14-9?

  • What is the synthesis process of valerophenone CAS: 1009-14-9?

What are the physical properties of valerophenone CAS: 1009-14-9?

Appearance and properties: colorless liquid

Density: 0.975 g/mL at 20 °C(lit.)

Melting point: -9 °C

Boiling point: 244-245 °C(lit.)

Flash point: 217 °F

Refractive index: n20/D 1.5143(lit.)

Molecular structure data

1. Molar refractive index: 50.17

2. Molar volume (cm3/mol): 170.4

3. Isometric specific volume (90.2K): 411.8

4. Surface tension (dyne/cm): 34.0

5. Polarizability: 19.89

What are the storage requirements for valerophenone CAS: 1009-14-9?

Keep valerophenone CAS: 1009-14-9 receptacles tightly closed, store in a cool, dry place, and ensure good ventilation or exhaust in the workplace. At the same time, during the storage process of valerophenone CAS: 1009-14-9, pay attention to shading and keep it in a cool place.

What is the synthesis process of valerophenone CAS: 1009-14-9?

In a 500mL dry three-neck flask with a sealed stirring, thermometer, dropping funnel, condenser and absorption device. At first dare to enter o-chlorobenzoyl chloride 36.25 g and dichloroethane 112 g, cool to 10°C, add anhydrous aluminum trichloride 31.25 g again, keep this temperature and finish adding. The overflow is dropped to-20°C and the ring is added dropwise. A mixture of 17.5 g of pentene and 31.5 g of dichloroethane. The temperature was kept at 20~-25°C, and the dropwise addition was completed within 3.5~4 h. At this time, the reaction solution changed from orange to red. The dropwise addition was completed. Then add 31.5g of dichloroethane. Stir for 30 nin. Then add 40 g of cyclohexane at -15°C, and slowly add the remaining half of 31.25g of aluminum trichloride in the latter stage, and finish adding it within 1h. After adding Let the temperature level rise. And open the vacuum to absorb the hydrogen chloride. To absorb the generated hydrogen chloride, the temperature is controlled at 10-15C in the first 2~3 hours. After 1~2 hours, the temperature is raised to 35C until the hydrogen chloride is exhausted, and the reaction is over. . The reaction solution was cooled to room temperature, crushed ice was added, and the mixture was slowly stirred intermittently. The organic layer was separated. The aqueous layer was extracted twice with 50 mL of dichloroethane. The aqueous layer was discarded and the organic layers were combined. The organic layer was washed 4 times with 120 mL of water. The aqueous layer was separated and discarded. The organic layer dry with anhydrous ferric sulfate overnight. The next day. Atmospheric recovery diaminoethane. Steam to 100C to stop, then underpressure distillation, collect 128 ~ 138C/400.0 Pa fraction, promptly get "ketone body" 35 g. The yield is 81.62%.

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