ChemicalBook > CAS DataBase List > 4-aMino-2-broMobenzaldehyde
4-aMino-2-broMobenzaldehyde
- Product Name
- 4-aMino-2-broMobenzaldehyde
- CAS No.
- 655248-57-0
- Chemical Name
- 4-aMino-2-broMobenzaldehyde
- Synonyms
- 4-aMino-2-broMobenzaldehyde;Benzaldehyde, 4-amino-2-bromo-;4-aMino-2-broMobenzaldehyde ISO 9001：2015 REACH
- CBNumber
- CB02644286
- Molecular Formula
- C7H6BrNO
- Formula Weight
- 200.03
- MOL File
- 655248-57-0.mol
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4-aMino-2-broMobenzaldehyde Property
- Melting point:
- 148 °C
- Boiling point:
- 324.9±27.0 °C(Predicted)
- Density
- 1.672±0.06 g/cm3(Predicted)
- storage temp.
- Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
- pka
- 0.80±0.10(Predicted)
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N-Bromosuccinimide Price
Ambeed
- Product number
- A670022
- Product name
- 4-Amino-2-bromobenzaldehyde
- Purity
- 97%
- Packaging
- 100mg
- Price
- $80
- Updated
- 2021/12/16
Ambeed
- Product number
- A670022
- Product name
- 4-Amino-2-bromobenzaldehyde
- Purity
- 97%
- Packaging
- 250mg
- Price
- $122
- Updated
- 2021/12/16
Chemenu
- Product number
- CM123432
- Product name
- 4-amino-2-bromobenzaldehyde
- Purity
- 95+%
- Packaging
- 1g
- Price
- $247
- Updated
- 2021/12/16
Abosyn
- Product number
- 61-10920
- Product name
- 4-Amino-2-bromobenzaldehyde
- Purity
- 95-98%
- Packaging
- 1g
- Price
- $315
- Updated
- 2021/12/16
Ambeed
- Product number
- A670022
- Product name
- 4-Amino-2-bromobenzaldehyde
- Purity
- 97%
- Packaging
- 1g
- Price
- $323
- Updated
- 2021/12/16
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4-aMino-2-broMobenzaldehyde Chemical Properties,Usage,Production
Synthesis
591-19-5
655248-57-0
General procedure for the synthesis of 4-amino-2-bromobenzaldehyde from m-bromoaniline: 5.5 g (32 mmol) of 3-bromoaniline was dissolved in 50 mL of DMSO and 4 mL of concentrated hydrochloric acid, and 8.1 g (60 mmol) of cuprous chloride (CuCl) was added. The reaction mixture was heated at 100°C for 5.5 hours. After completion of the reaction, the reaction mixture was neutralized with sodium carbonate solution and subsequently extracted with dichloromethane (CH2Cl2). The extract was purified by silica gel column chromatography with the eluent being a mixed solvent of dichloromethane-hexane, resulting in 1.9 g of a yellow solid product in 30% yield, with a melting point of 129°C. Thin-layer chromatography (TLC) showed an Rf value of 0.3 (unfolding reagent: dichloromethane), and a violet coloration in reaction with ninhydrin. Nuclear magnetic resonance hydrogen spectrum (1H NMR, CDCl3) data were as follows: δ 10.1 (1H, s, CHO), 7.75 (1H, d, J = 8.5 Hz, H-6), 6.83 (1H, d, J = 2.2 Hz, H-3), 6.60 (1H, dd, J = 8.5, 2.2 Hz, H-5), 4.20 (2H, br.s, NH2 ).
References
[1] Patent: WO2004/13091, 2004, A2. Location in patent: Page 51-52
4-aMino-2-broMobenzaldehyde Preparation Products And Raw materials
Raw materials
Preparation Products
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