ChemicalBook > CAS DataBase List > 2-BROMO-5-BENZOYLTHIOPHENE

2-BROMO-5-BENZOYLTHIOPHENE

Product Name
2-BROMO-5-BENZOYLTHIOPHENE
CAS No.
31161-46-3
Chemical Name
2-BROMO-5-BENZOYLTHIOPHENE
Synonyms
2-BROMO-5-BENZOYLTHI;2-Bromo-5-bezoylthiophene;2-BROMO-5-BENZOYLTHIOPHENE;2-BENZOYL-5-BROMOTHIOPHENE;2-Bromo-5-benzoylthiophene ,98%;2-BROMO-5-BENZOYLTHIOPHENE 98.0%MIN;(5-BROMOTHIEN-2-YL)(PHENYL)METHANONE;(5-Bromo-2-thienyl)(phenyl)methanone;Methanone, (5-bromo-2-thienyl)phenyl-;(5-Bromothiophen-2-yl)(phenyl)methanone
CBNumber
CB7134186
Molecular Formula
C11H7BrOS
Formula Weight
267.14
MOL File
31161-46-3.mol
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2-BROMO-5-BENZOYLTHIOPHENE Property

Melting point:
45-46 °C
Boiling point:
361.7±27.0 °C(Predicted)
Density 
1.542±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
form 
powder to crystal
color 
White to Yellow to Green
CAS DataBase Reference
31161-46-3(CAS DataBase Reference)
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Safety

Risk Statements 
20/21/22-36/37/38
Safety Statements 
22-26-36/37/39
HS Code 
29309090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
B5340
Product name
2-Benzoyl-5-bromothiophene
Purity
>98.0%(GC)
Packaging
1g
Price
$68
Updated
2025/07/31
TCI Chemical
Product number
B5340
Product name
2-Benzoyl-5-bromothiophene
Purity
>98.0%(GC)
Packaging
5g
Price
$237
Updated
2025/07/31
Frontier Specialty Chemicals
Product number
JK241317
Product name
2-Bromo-5-benzoylthiophene
Purity
98%
Packaging
1g
Price
$61
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB151313
Product name
2-Bromo-5-benzoylthiophene
Packaging
250mg
Price
$75
Updated
2021/12/16
Chem-Impex
Product number
44995
Product name
2-Benzoyl-5-bromothiophene,≥98%(GC)
Purity
≥98%(GC)
Packaging
1G
Price
$83.2
Updated
2021/12/16
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2-BROMO-5-BENZOYLTHIOPHENE Chemical Properties,Usage,Production

Chemical Properties

Yellow to brown powder

Synthesis

1003-09-4

98-88-4

31161-46-3

Aluminum chloride (5.34 g, 40.0 mmol) was added batchwise to a solution of carbon disulfide (120 mL) containing benzoyl chloride (2.81 g, 20.0 mmol) and 2-bromothiophene (3.42 g, 21.0 mmol) over a period of 10 minutes under vigorous stirring. The reaction mixture was continued to be magnetically stirred for 2.5 hours at room temperature. Upon completion of the reaction, the reaction was quenched with 100 mL of aqueous 1 M hydrochloric acid. The organic phase was separated and the aqueous phase was extracted with carbon disulfide (3 x 50 mL). The organic phases were combined and washed with water (3 x 100 mL) and subsequently dried with anhydrous magnesium sulfate. After filtration, the organic phase was concentrated under reduced pressure and the residue was purified by silica gel column chromatography (eluent: hexane/ether=9:1) to give 5.14 g (96% yield) of a yellow crystalline product with a melting point of 41-43°C. The product was purified by 1H NMR (1H NMR) with a melting point of 1H NMR (1H NMR). The product was characterized by 1H NMR (CDCl3): δ 7.84 (d, 2H, 3J=8.0 Hz), 7.62 (t, 1H, 3J=7.2 Hz), 7.52 (t, 2H, 3J=7.5 Hz), 7.40 (d, 2H, 3J=3.5 Hz), 7.15 (d, 2H, 3J=4.0 Hz).

References

[1] Journal of the American Chemical Society, 2005, vol. 127, # 39, p. 13476 - 13477
[2] Patent: WO2007/50049, 2007, A1. Location in patent: Page/Page column 27-29
[3] Patent: US5650522, 1997, A
[4] Recueil des Travaux Chimiques des Pays-Bas, 1949, vol. 68, p. 5,29
[5] Journal of the American Chemical Society, 1953, vol. 75, p. 1115

2-BROMO-5-BENZOYLTHIOPHENE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-BROMO-5-BENZOYLTHIOPHENE Suppliers

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View Lastest Price from 2-BROMO-5-BENZOYLTHIOPHENE manufacturers

Shenzhen Nexcon Pharmatechs Ltd.
Product
2-BROMO-5-BENZOYLTHIOPHENE 31161-46-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
2000
Release date
2025-04-18
Henan Aochuang Chemical Co.,Ltd.
Product
2-BROMO-5-BENZOYLTHIOPHENE 31161-46-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-26
Career Henan Chemical Co
Product
2-BROMO-5-BENZOYLTHIOPHENE 31161-46-3
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
Customized
Release date
2019-05-24

31161-46-3, 2-BROMO-5-BENZOYLTHIOPHENERelated Search:

2-[(5-BROMO-2-THIENYL)CARBONYL]BENZENECARBOXYLIC ACID 2-Acetyl-5-bromothiophene 2-BROMO-5-BENZOYLTHIOPHENE 4-((5-Bromo-2-thienyl)carbonyl)-alpha-methylbenzeneacetic acid 2-BROMO-5-(4-NITROBENZOYL)THIOPHENE

  • (5-BROMOTHIEN-2-YL)(PHENYL)METHANONE
  • 2-BENZOYL-5-BROMOTHIOPHENE
  • 2-BROMO-5-BENZOYLTHIOPHENE
  • 2-BROMO-5-BENZOYLTHIOPHENE 98.0%MIN
  • 2-Bromo-5-benzoylthiophene ,98%
  • 2-BROMO-5-BENZOYLTHI
  • 2-Bromo-5-bezoylthiophene
  • (5-Bromothiophen-2-yl)(phenyl)methanone
  • Methanone, (5-bromo-2-thienyl)phenyl-
  • 2-BROMO-5-BENZOYLTHIOPHENE ISO 9001：2015 REACH
  • (5-Bromo-2-thienyl)(phenyl)methanone
  • 31161-46-3
  • Heterocycle-oher series