2-Bromo-2',4'-dichloroacetophenone
- Product Name
- 2-Bromo-2',4'-dichloroacetophenone
- CAS No.
- 2631-72-3
- Chemical Name
- 2-Bromo-2',4'-dichloroacetophenone
- Synonyms
- 2-bromo-1-(2,4-dichlorophenyl)ethan-1-one;2-BROMO-1-(2,4-DICHLOROPHENYL)ETHANONE;AKOS BBS-00003995;TIMTEC-BB SBB003050;2-Bromo-2’,4’-dichL;Ketoconazole Impurity 37;2,4-DICHLOROPHENACYL BROMIDE;2,4-DichlorophenacylBromide>2,4-Dichlorophenacyl bromide 97%;2-BROMO-2",4"-DICHLOROCETOPHENONE
- CBNumber
- CB4445713
- Molecular Formula
- C8H5BrCl2O
- Formula Weight
- 267.93
- MOL File
- 2631-72-3.mol
2-Bromo-2',4'-dichloroacetophenone Property
- Melting point:
- 25-29 °C(lit.)
- Boiling point:
- 103-106 °C(Press: 0.4 Torr)
- Density
- 1.695±0.06 g/cm3(Predicted)
- refractive index
- 1.60
- Flash point:
- >230 °F
- storage temp.
- Inert atmosphere,2-8°C
- solubility
- Chloroform, Methanol
- form
- Low Melting Solid
- color
- White to brown
- Sensitive
- Lachrymatory
- InChI
- InChI=1S/C8H5BrCl2O/c9-4-8(12)6-2-1-5(10)3-7(6)11/h1-3H,4H2
- InChIKey
- DASJDMQCPIDJIF-UHFFFAOYSA-N
- SMILES
- C(=O)(C1=CC=C(Cl)C=C1Cl)CBr
- CAS DataBase Reference
- 2631-72-3(CAS DataBase Reference)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H290May be corrosive to metals
H301Toxic if swalloed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
- Precautionary statements
-
P234Keep only in original container.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P390Absorb spillage to prevent material damage.
P405Store locked up.
P406Store in corrosive resistant/… container with a resistant inner liner.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 595268
- Product name
- 2-Bromo-2′,4′-dichloroacetophenone
- Purity
- 97%
- Packaging
- 1g
- Price
- $82.2
- Updated
- 2023/01/07
- Product number
- 595268
- Product name
- 2-Bromo-2′,4′-dichloroacetophenone
- Purity
- 97%
- Packaging
- 5g
- Price
- $142
- Updated
- 2023/01/07
- Product number
- D3351
- Product name
- 2,4-Dichlorophenacyl Bromide
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $101
- Updated
- 2025/07/31
- Product number
- B683405
- Product name
- 2-Bromo-2'',4''-dichloroacetophenone
- Packaging
- 100g
- Price
- $795
- Updated
- 2021/12/16
- Product number
- HCH0017689
- Product name
- 2',4'-DICHLOROPHENACYL BROMIDE
- Purity
- 95.00%
- Packaging
- 25G
- Price
- $1177.75
- Updated
- 2021/12/16
2-Bromo-2',4'-dichloroacetophenone Chemical Properties,Usage,Production
Chemical Properties
White to brown low melting solid
Uses
2-Bromo-2',4'-dichloroacetophenone is a metabolite of the insecticide Bromfenvinphos. It is also a useful intermediate in the preparation of substituted acetophenone derivatives.
Synthesis
2234-16-4
2631-72-3
General procedure for the synthesis of 2-bromo-2',4'-dichloroacetophenone from 2,4-dichloroacetophenone: N-bromosuccinimide (0.37 mmol) was slowly added to a stirred solution of 2,4-dichloroacetophenone (0.37 mol, 1 equiv) in acetonitrile (40 mL). The reaction mixture was continued to be stirred for 10-15 minutes. Subsequently, p-toluenesulfonic acid (p-TsOH, 0.74 mmol, 2 eq.) was added to the reaction system and the mixture was heated to reflux for 4-5 h. The reaction process was monitored by thin layer chromatography (TLC). Upon completion of the reaction, the reaction mixture was cooled to room temperature, washed with saturated sodium bicarbonate solution and subsequently extracted with ethyl acetate (3 x 20 mL). The organic layers were combined, dried with anhydrous sodium sulfate and concentrated under reduced pressure to remove the solvent. The resulting crude product was purified by silica gel column chromatography with the eluent being a solvent mixture of ethyl acetate and hexane (4:96, v/v), and the fractions on 100-200 mesh silica gel were collected to give the pure 2-bromo-2',4'-dichloroacetophenone.
References
[1] Farmaco, 1993, vol. 48, # 6, p. 857 - 869
[2] Journal of Medicinal Chemistry, 2018, vol. 61, # 13, p. 5679 - 5691
[3] Polish Journal of Chemistry, 1981, vol. 55, # 2, p. 399 - 409
[4] Medicinal Chemistry Research, 2016, vol. 25, # 10, p. 2335 - 2348
[5] Bioorganic and Medicinal Chemistry, 2018, vol. 26, # 8, p. 1665 - 1674
2-Bromo-2',4'-dichloroacetophenone Preparation Products And Raw materials
Raw materials
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View Lastest Price from 2-Bromo-2',4'-dichloroacetophenone manufacturers
- Product
- 2-Bromo-2',4'-dichloroacetophenone 2631-72-3
- Price
- US $0.00-0.00/drums
- Min. Order
- 1drums
- Purity
- 99%min.
- Supply Ability
- 10tons
- Release date
- 2023-10-22
- Product
- 2-Bromo-2',4'-dichloroacetophenone 2631-72-3
- Price
- US $1.00/g
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 10000KGS
- Release date
- 2019-12-26