3 things to know about 2-Bromo-1-phenylpentan-1-one

How is 2 Bromo 1 phenyl 1 pentanone synthesized?

2-Bromo-1-phenylpentan-1-one, also known as α-Bromovalerophenone, is synthesized through a straightforward process. Here’s a simplified description of its synthesis:

2-Bromo-1-phenyl-1-pentanone | CAS 49851-31-2
2-Bromo-1-phenyl-1-pentanone | CAS 49851-31-2
  1. Starting Materials:
    • Phenylpentanone: Begin with phenylpentanone, which is a ketone compound with a phenyl group attached to a pentanone backbone.
    • Sodium Bromide (NaBr): Sodium bromide serves as the bromine source in the reaction.
  2. Reaction Steps:
    • At room temperature, combine 16.2 grams (0.1 moles) of phenylpentanone and 30.9 grams (0.3 moles) of sodium bromide in a reaction flask.
    • Stir the mixture evenly to ensure thorough mixing.
  3. Bromination Reaction:
    • The bromine atom from sodium bromide replaces one of the hydrogen atoms on the phenylpentanone molecule.
    • This substitution reaction results in the formation of 2-bromo-1-phenylpentan-1-one.
  4. Product Isolation:
    • The product can be isolated by various methods, such as extraction or distillation.
    • Purify the compound to obtain the desired α-bromovalerophenone.
  5. Applications:

What should I do if 2-Bromo-1-phenylpentan-1-one gets on my skin?

If 2-Bromo-1-phenylpentan-1-one (also known as α-Bromovalerophenone) comes into contact with your skin, follow these safety precautions:

2-Bromo-1-phenyl-1-pentanone | CAS 49851-31-2
2-Bromo-1-phenyl-1-pentanone | CAS 49851-31-2
  1. Immediate Action:
    • Rinse the affected area with plenty of water. Use a gentle stream to wash off any residual compound.
    • Remove contaminated clothing if applicable.
  2. Seek Medical Attention:
    • Seek medical assistance promptly. Contact a healthcare professional or visit an emergency room.
    • Provide information about the exposure to the medical staff.
  3. Avoid Further Exposure:
    • Do not rub or scrub the skin vigorously. Gentle rinsing is sufficient.
    • Avoid touching your face, eyes, or mouth with contaminated hands.
  4. Personal Protective Measures:
    • Wear disposable gloves if available.
    • Use a mild soap to cleanse the skin gently.
  5. Observe for Symptoms:
    • Monitor the affected area for any signs of irritation, redness, or discomfort.
    • Report any adverse symptoms to the medical professionals.
  6. Safety Data Sheet (SDS):

Can it be disposed of in the sink or toilet?

2-Bromo-1-phenylpentan-1-one (α-Bromovalerophenone) should not be disposed of in the sink or toilet. It is essential to follow proper disposal procedures to prevent environmental contamination and ensure safety. Here are the recommended steps for disposal:

Hubei Aumei New Material Co., Ltd
Hubei Aumei New Material Co., Ltd Sell 2-Bromo-1-phenylpentan-1-one
  1. Chemical Waste Collection:
    • Collect the compound in a suitable container designated for chemical waste disposal.
    • Label the container with the name of the compound and any relevant hazard information.
  2. Contact Local Authorities or Waste Management Services:
    • Contact your local waste management facility or authorities to inquire about hazardous waste disposal regulations.
    • They will provide guidance on how to dispose of the compound safely.
  3. Do Not Pour Down the Sink or Toilet:
    • Avoid pouring the compound down the sink or toilet. It can contaminate water sources and harm the environment.
  4. Secure Storage:
    • Store the waste container securely in a well-ventilated area away from direct sunlight and heat.
  5. Professional Disposal:
    • Arrange for professional disposal through authorized waste disposal services.
    • They will handle the compound according to safety protocols.


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