3-(4-Bromophenyl)-4H-1,2,4-triazole
- Product Name
- 3-(4-Bromophenyl)-4H-1,2,4-triazole
- CAS No.
- 118863-62-0
- Chemical Name
- 3-(4-Bromophenyl)-4H-1,2,4-triazole
- Synonyms
- 3-(4-Bromophenyl)-4H-1,2,4-triazole;5-(4-broMophenyl)-1H-1,2,4-triazole;1H-1,2,4-Triazole, 5-(4-bromophenyl)-
- CBNumber
- CB72513154
- Molecular Formula
- C8H6BrN3
- Formula Weight
- 224.06
- MOL File
- 118863-62-0.mol
3-(4-Bromophenyl)-4H-1,2,4-triazole Property
- Boiling point:
- 376.7±44.0 °C(Predicted)
- Density
- 1.651±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 9.28±0.20(Predicted)
- Appearance
- White to off-white Solid
N-Bromosuccinimide Price
- Product number
- B700290
- Product name
- 3-(4-Bromophenyl)-1H-[1,2,4]triazole
- Packaging
- 500mg
- Price
- $155
- Updated
- 2021/12/16
- Product number
- FB138820
- Product name
- 3-(4-Bromophenyl)-1H-1,2,4-triazole
- Packaging
- 500mg
- Price
- $165
- Updated
- 2021/12/16
- Product number
- FB138820
- Product name
- 3-(4-Bromophenyl)-1H-1,2,4-triazole
- Packaging
- 1g
- Price
- $260
- Updated
- 2021/12/16
- Product number
- FB138820
- Product name
- 3-(4-Bromophenyl)-1H-1,2,4-triazole
- Packaging
- 100mg
- Price
- $60
- Updated
- 2021/12/16
- Product number
- FB138820
- Product name
- 3-(4-Bromophenyl)-1H-1,2,4-triazole
- Packaging
- 250mg
- Price
- $105
- Updated
- 2021/12/16
3-(4-Bromophenyl)-4H-1,2,4-triazole Chemical Properties,Usage,Production
Synthesis
1269646-41-4
118863-62-0
The general procedure for the synthesis of 3-(4-bromophenyl)-1H-[1,2,4]triazole from the compound (CAS:1269646-41-4) is as follows: Example 7: Preparation of 3-(4-bromophenyl)-1H-1,2,4-triazole (C4) 1. cool 17.2 g (67.3 mmol) of a 35 mL solution of (E)-4-bromo-N-((dimethylamino)methylene)benzamide (C3) in an ice bath in 35 mL of acetic acid. 2. 6.50 mL (104 mmol) of hydrazine monohydrate was added slowly while stirring vigorously. Observe that a white solid begins to form. 3. The reaction mixture was heated to 90°C for 3 hours. 4. Upon completion of the reaction, the solution was cooled to room temperature and poured into 150 mL of cold water. 5. The precipitate was collected by filtration, washed with cold water, and then dried under vacuum overnight to afford 3-(4-bromophenyl)-1H-[1,2,4]triazole as a white solid (14.5 g, 91% yield). Product characterization: melting point >200 °C (decomposition); 1H NMR (400 MHz, DMSO-d6) δ 14.24 (s, 1H), 8.52 (s, 1H), 8.04-7.91 (m, 2H), 7.75-7.63 (m, 2H); ESIMS m/z 224 ([M]+).
References
[1] Patent: US2016/24027, 2016, A1. Location in patent: Paragraph 0172-0173
[2] Patent: US2014/274688, 2014, A1. Location in patent: Paragraph 0378; 0379
3-(4-Bromophenyl)-4H-1,2,4-triazole Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3-(4-Bromophenyl)-4H-1,2,4-triazole manufacturers
- Product
- 3-(4-Bromophenyl)-4H-1,2,4-triazole 118863-62-0
- Price
- US $2.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- ask
- Release date
- 2019-12-24