2-BroMo-4-Methoxy-1-Methyl-benzene
- Product Name
- 2-BroMo-4-Methoxy-1-Methyl-benzene
- CAS No.
- 36942-56-0
- Chemical Name
- 2-BroMo-4-Methoxy-1-Methyl-benzene
- Synonyms
- 3-BroMo-4-Methylanisole;2-Bromo-4-methoxytoluene;4-Methoxy-2-Bromo toluene;Benzene, 2-broMo-4-Methoxy-1-Methyl-;3-Bromo-4-methylanisole 2-Bromo-4-methoxytoluene
- CBNumber
- CB92546022
- Molecular Formula
- C8H9BrO
- Formula Weight
- 201.06
- MOL File
- 36942-56-0.mol
2-BroMo-4-Methoxy-1-Methyl-benzene Property
- Melting point:
- 144-145.5℃
- Boiling point:
- 224.7±20.0℃ (760 Torr)
- Density
- 1.378±0.06 g/cm3 (20 ºC 760 Torr)
- Flash point:
- 101.8±7.8℃
- storage temp.
- Sealed in dry,Room Temperature
- Appearance
- Colorless to light yellow Liquid
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
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.
N-Bromosuccinimide Price
- Product number
- B700645
- Product name
- 2-Bromo-4-methoxy-1-methylbenzene
- Packaging
- 500mg
- Price
- $90
- Updated
- 2021/12/16
- Product number
- Y5127
- Product name
- 3-Bromo-4-methylanisole
- Packaging
- 1g
- Price
- $41
- Updated
- 2021/12/16
- Product number
- FB10592
- Product name
- 3-Bromo-4-methylanisole
- Packaging
- 1g
- Price
- $50
- Updated
- 2021/12/16
- Product number
- FB10592
- Product name
- 3-Bromo-4-methylanisole
- Packaging
- 2g
- Price
- $70
- Updated
- 2021/12/16
- Product number
- 038675
- Product name
- 3-Bromo-4-methylanisole
- Purity
- 95%
- Packaging
- 5g
- Price
- $79
- Updated
- 2021/12/16
2-BroMo-4-Methoxy-1-Methyl-benzene Chemical Properties,Usage,Production
Chemical Properties
Pale yellow solid
Synthesis
50868-72-9
36942-56-0
5-Methoxy-2-methylaniline (1.3 g, 9.48 mmol) was used as a raw material in a mixed solution of 48% hydrobromic acid (13 mL) and ethanol (10 mL), and cooled to 0°C. At this temperature, an aqueous solution (5 mL) of sodium nitrite (0.78 g, 11.30 mmol) was slowly added, and the dropwise addition process was controlled to be completed within 15 min and the reaction temperature was kept between 0-5 °C. After the reaction solution was kept at 0 °C and stirred for 1 h, it was transferred to a preheated to boiling solution of cuprous bromide (6.8 g, 47.4 mmol) in 48% hydrobromic acid (25 mL). The mixed solution was refluxed overnight. After the reaction was complete, it was cooled to room temperature and the reaction mixture was diluted with water (50 mL). The acidic aqueous phase was extracted with ethyl acetate (2 x 50 mL). The organic phases were combined, washed once with saturated sodium chloride solution (50 mL) and dried over anhydrous sodium sulfate. The desiccant was removed by filtration and the solvent was removed by concentration under reduced pressure. The crude product was purified by chromatography on a silica gel column (3.5 x 16 cm), using hexane as eluent, to afford the colorless oily target product 3-bromo-4-methylanisole (750 mg, 39% yield).
References
[1] Patent: US2005/245524, 2005, A1. Location in patent: Page/Page column 98
[2] Acta Chemica Scandinavica (1947-1973), 1952, vol. 6, p. 1137,1400
[3] Anales de la Real Sociedad Espanola de Fisica y Quimica, 1959, vol. 55, p. 683,689
[4] Analytical Chemistry, 1992, vol. 64, # 8, p. 837 - 842
[5] Patent: WO2006/99735, 2006, A1. Location in patent: Page/Page column 33
2-BroMo-4-Methoxy-1-Methyl-benzene Preparation Products And Raw materials
Raw materials
Preparation Products
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