ChemicalBook > CAS DataBase List > 1-Bromo-2,3-dimethoxybenzene

1-Bromo-2,3-dimethoxybenzene

Product Name
1-Bromo-2,3-dimethoxybenzene
CAS No.
5424-43-1
Chemical Name
1-Bromo-2,3-dimethoxybenzene
Synonyms
1-Bromo-2,3-dimethox;3-Bromoveratrole, 95%;1-BROMO-2,3-DIMETHOXYBENZENE;Benzene, 1-bromo-2,3-dimethoxy-;1-[(5-bromo-2,4-dimethoxyphenyl)methyl]-4-(2,5-dimethylphenyl)piperazine
CBNumber
CB6836797
Molecular Formula
C8H9BrO2
Formula Weight
217.06
MOL File
5424-43-1.mol
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1-Bromo-2,3-dimethoxybenzene Property

Melting point:
35-36 °C
Boiling point:
114 °C(Press: 5 Torr)
Density 
1.412±0.06 g/cm3(Predicted)
refractive index 
1.5565
storage temp. 
Sealed in dry,Room Temperature
Appearance
Yellow to brown Solid
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Safety

HS Code 
2902900000
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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.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

TRC
Product number
B689023
Product name
1-Bromo-2,3-dimethoxybenzene
Packaging
1g
Price
$75
Updated
2021/12/16
Usbiological
Product number
409158
Product name
1-Bromo-2,3-dimethoxybenzene
Packaging
100mg
Price
$305
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB140201
Product name
1-Bromo-2,3-dimethoxybenzene
Packaging
100mg
Price
$80
Updated
2021/12/16
AK Scientific
Product number
Z4856
Product name
1-Bromo-2,3-dimethoxybenzene
Packaging
1g
Price
$131
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB140201
Product name
1-Bromo-2,3-dimethoxybenzene
Packaging
250mg
Price
$160
Updated
2021/12/16
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1-Bromo-2,3-dimethoxybenzene Chemical Properties,Usage,Production

Chemical Properties

Colorless liquid

Synthesis

91-16-7

5424-43-1

To a stirred solution of N,N,N',N'-tetramethylethylenediamine (TMEDA, 5.43 mL, 36.19 mmol, 1.0 eq.) in anhydrous ethyl ether (Et2O, 100 mL) was slowly added n-butyllithium (n-BuLi, 22.6 mL, 36.19 mmol, 1.0 eq., 1.6 M hexane solution) at room temperature. The mixture was stirred for 10 minutes and then 1,2-dimethoxybenzene (5.0 g, 36.19 mmol) was added. The reaction mixture was continued to be stirred at room temperature for 2.5 h. The reaction mixture was then cooled to -78 °C and a solution of anhydrous hexane (10 mL) with bromine (Br2, 1.85 mL, 36.19 mmol, 1.0 equiv) was added dropwise. The reaction was kept at -78 °C for 30 min, after which it was slowly warmed to room temperature. Upon completion of the reaction, the reaction was quenched with saturated aqueous sodium sulfite (Na2SO3, 20 mL). The reaction mixture was extracted with ethyl acetate (EtOAc, 3 × 30 mL), the organic layers were combined and washed sequentially with water and brine, dried with anhydrous sodium sulfite (Na2SO4) and concentrated under reduced pressure. The residue was purified by silica gel column chromatography with the eluent of petroleum ether/ethyl acetate (9.5:0.5 to 9:1) to afford 1-bromo-2,3-dimethoxybenzene (6.68 g, 85% yield) as a colorless oil.

References

[1] Tetrahedron Asymmetry, 2013, vol. 24, # 24, p. 1548 - 1555
[2] Patent: WO2009/27679, 2009, A1. Location in patent: Page/Page column 51-52
[3] Journal of Organic Chemistry, 1982, vol. 47, # 12, p. 2393 - 2396

1-Bromo-2,3-dimethoxybenzene Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-Bromo-2,3-dimethoxybenzene manufacturers

Career Henan Chemical Co
Product
1-Bromo-2,3-dimethoxybenzene 5424-43-1
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2019-07-11

5424-43-1, 1-Bromo-2,3-dimethoxybenzeneRelated Search:

Bromoxynil octanoate Phthalic anhydride 4-Bromoveratrole Dimethyldimethoxysilane 1,1-Dimethoxyethane 2-Bromobenzonitrile 2,3-Dimethylbromobenzene Dimethyl phthalate Diphenyldimethoxysilane 3-Bromoanisole (Trifluoromethoxy)benzene O-Phthalimide 4-Bromoanisole 2,3-Dimethoxybenzoic acid Dibutyl phthalate Bromine 3-BROMO-4,5-DIMETHOXYBENZOIC ACID 1,2,3,7,8-PENTABROMODIBENZO-P-DIOXIN

  • 1-BROMO-2,3-DIMETHOXYBENZENE
  • 3-Bromoveratrole, 95%
  • 1-Bromo-2,3-dimethox
  • 1-[(5-bromo-2,4-dimethoxyphenyl)methyl]-4-(2,5-dimethylphenyl)piperazine
  • Benzene, 1-bromo-2,3-dimethoxy-
  • 5424-43-1