Helen Frankenthaler Foundation

Macrocyclic Compounds

2-Bromo-1-phenyl-pentan-1-one | 49851-31-2

2-Bromo-1-phenyl-pentan-1-one | 49851-31-2

CAS No. 49851-31-2 Chemical Name: 2-Bromo-1-phenyl-pentan-1-one Synonyms 2-BroMovalerophenone; 2-BROMO-1-PHENYL-1-PENTANONE; α-Bromovalerophenone; 2-Bro; cas49851 31 2; a-Bromovalerophenone; 2-BROMO-1-PHENYL-PENTA; alpha-bromovaleropheone; Alfa-Bromovalerophenone; New 2-Bromovalerophenone CBNumber: CB0837318 Molecular Formula: C11H13BrO Molecular Weight: 241.12 MDL Number: MFCD09031798 MOL File: 49851-31-2.mol

Last updated: 2026-03-04 10:44:01

Product Description

NumberPack SizePrice
α-Bromovalerophenone B689020100mg$140
α-Bromovalerophenone 005036100mg$446
2-BROMO-1-PHENYL-PENTAN-1-ONE 95.00% HCH0103752100MG$739.2
α-Bromovalerophenone 55204100mg$290
2-BROMO-1-PHENYL-PENTAN-1-ONE 95.00% HCH01037521G$1871.1

2-Bromo-1-phenyl-pentan-1-one Properties

PropertyValue
Boiling point94-96 °C(Press: 0.25 Torr)
Density1.310±0.06 g/cm3(Predicted)
storage temp.-20°C Freezer
solubilityChloroform (Slightly), Methanol (Slightly)
formOil
colorClear Colourless
InChIInChI=1S/C11H13BrO/c1-2-6-10(12)11(13)9-7-4-3-5-8-9/h3-5,7-8,10H,2,6H2,1H3
InChIKeyXOQFMNXQYSTQPE-UHFFFAOYSA-N
SMILESC(C1=CC=CC=C1)(=O)C(Br)CCC

SAFETY

Risk and Safety Statements
ItemDetails
Symbol(GHS)GHS05, GHS07
Signal wordDanger
Hazard statementsH315-H318-H335
Precautionary statementsP261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P310-P332+P313-P362-P403+P233-P405-P501

2-Bromo-1-phenyl-pentan-1-one Price

ManufacturerProduct numberProduct descriptionCAS numberPackagingPriceUpdated
TRCB689020α-Bromovalerophenone49851-31-2100mg$1402021-12-16
Usbiological005036α-Bromovalerophenone49851-31-2100mg$4462021-12-16
American Custom Chemicals CorporationHCH01037522-BROMO-1-PHENYL-PENTAN-1-ONE 95.00%49851-31-2100MG$739.22021-12-16
Medical Isotopes, Inc.55204α-Bromovalerophenone49851-31-2100mg$2902021-12-16
American Custom Chemicals CorporationHCH01037522-BROMO-1-PHENYL-PENTAN-1-ONE 95.00%49851-31-21G$1871.12021-12-16
Product numberPackagingPrice
B689020100mg$140
005036100mg$446
HCH0103752100MG$739.2
55204100mg$290
HCH01037521G$1871.1

2-Bromo-1-phenyl-pentan-1-one Chemical Properties, Uses, Production

Description

2-Bromo-1-Phenyl-Pentan-1-One is a chemical compound with the molecular formula C11H13BrO. A bright yellow oily liquid, it boasts a boiling point of 94–96 °C (Pressure: 0.25 Torr) and a density of 1.310±0.06 g/cm3 (Predicted). Its utilization spans various scientific research applications, functioning as a reagent in organic synthesis, a foundational material in pharmaceutical synthesis, and a fundamental building block for diverse compound productions. Additionally, it has played a role in the synthesis of heterocyclic compounds like pyridines, pyrimidines, and thiophenes.

Chemical Properties

Yellow Oil

Uses

2-Bromo-1-phenyl-pentan-1-one is used in a variety of scientific research applications. It is used as a reagent in organic synthesis, as a starting material in the synthesis of pharmaceuticals, and as a building block for the production of various compounds. It has also been used in the synthesis of various heterocyclic compounds, such as pyridines, pyrimidines, and thiophenes. Additionally, 2-bromo-1-phenyl-pentan-1-one is used in the synthesis of polymers, such as polyacrylonitrile, polyvinyl chloride, and polyethylene.

Uses

Valerophenone (V091450) derivative.

Preparation

At room temperature, 16.2g (0.1mol) of phenylpentanone and 30.9g (0.3mol) of sodium bromide are added to a reaction flask and stirred evenly. Then, 24g (0.2mol) of 30% hydrochloric acid is added, followed by slow dropwise addition of 19g (0.15mol) hydrogen peroxide. The reaction is allowed to proceed for 1-2 hours until completion, then stirring is stopped. After the mixture separates into layers, it is washed separately with saturated sodium carbonate and saturated saline, and the organic phase is combined. Finally, the product 2-Bromo-1-phenyl-pentan-1-one is obtained through concentration and drying, which is a bright yellow oily liquid.

Synthesis of 2-Bromo-1-phenyl-pentan-1-one from Valerophenone
2-Bromo-1-phenyl-pentan-1-one Preparation Products And Raw materials
Raw materials
  • Valerophenone
  • Benzenemethanol, α-[1-bromo-1-[(4-methylphenyl)sulfinyl]butyl]-
  • Valeryl chloride
  • Benzene
  • Fenipentol
  • Bromobenzene
  • Benzaldehyde
  • Valeraldehyde
  • Acetic acid
Preparation Products
  • 4'-FLUOROVALEROPHENONE

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