4-Bromo-2,5-dimethylphenol
- Product Name
- 4-Bromo-2,5-dimethylphenol
- CAS No.
- 85223-93-4
- Chemical Name
- 4-Bromo-2,5-dimethylphenol
- Synonyms
- 2,5-Xylenol, 4-bromo-;4-Bromo-2,5-dimethylphenol;2,5-dimethyl-4-bromophenol;Phenol, 4-bromo-2,5-dimethyl-;4-Bromo-2,5-dimethylphenol98%
- CBNumber
- CB21457463
- Molecular Formula
- C8H9BrO
- Formula Weight
- 201.06
- MOL File
- 85223-93-4.mol
4-Bromo-2,5-dimethylphenol Property
- Melting point:
- 87 °C
- Boiling point:
- 259.0±35.0 °C(Predicted)
- Density
- 1.471±0.06 g/cm3(Predicted)
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- form
- solid
- pka
- 9.87±0.23(Predicted)
- color
- white
Safety
- HS Code
- 2908190090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
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
- B691673
- Product name
- 4-Bromo-2,5-dimethylphenol
- Packaging
- 100mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- FB149530
- Product name
- 4-Bromo-2,5-dimethylphenol
- Packaging
- 500mg
- Price
- $55
- Updated
- 2021/12/16
- Product number
- 2701-9-07
- Product name
- 4-Bromo-2,5-dimethylphenol
- Purity
- 98%
- Packaging
- 1g
- Price
- $116
- Updated
- 2021/12/16
- Product number
- V8081
- Product name
- 4-Bromo-2,5-dimethylphenol
- Packaging
- 1g
- Price
- $120
- Updated
- 2021/12/16
- Product number
- FB149530
- Product name
- 4-Bromo-2,5-dimethylphenol
- Packaging
- 2g
- Price
- $166
- Updated
- 2021/12/16
4-Bromo-2,5-dimethylphenol Chemical Properties,Usage,Production
Uses
4-Bromo-2,5-dimethylphenol is a phenol derivative whose benzene ring structure is substituted with methyl and bromine atoms on 2, 5 and 4. This product can be used as an organic synthesis intermediate for the preparation of other polymeric organics.
Synthesis
95-87-4
85223-93-4
A solution of tetrabutylammonium tribromide (19.9 g, 41.39 mmol) in chloroform (150 mL) was slowly added dropwise to a stirred suspension of 2,5-dimethylphenol (5.0 g, 40.9 mmol) in water (150 mL) at room temperature. The reaction mixture was stirred continuously for 2 hours at room temperature. Upon completion of the reaction, the organic layer was separated and dried with anhydrous sodium sulfate. The dried organic phase was filtered 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 hexane-ethyl acetate solvent mixture of 1:5, v/v, to give 2,5-dimethyl-4-bromophenol as a brown solid (6.2 g, 76% yield). The structure of the product was confirmed by 1H NMR (300 MHz, DMSO-d6): δ 9.47 (s, 1H), 7.24 (s, 1H), 6.74 (s, 1H), 2.21 (s, 3H), 2.07 (s, 3H). Thin-layer chromatography (TLC) analysis conditions: Uniplate silica gel plates, 250 µm thickness; mobile phase was hexane-ethyl acetate in 9:1 volume ratio; Rf value was 0.52.
References
[1] Tetrahedron, 2007, vol. 63, # 34, p. 8242 - 8249
[2] Letters in Organic Chemistry, 2018, vol. 15, # 8, p. 682 - 687
[3] Journal of the Chilean Chemical Society, 2011, vol. 56, # 4, p. 863 - 865
[4] Bulletin of the Chemical Society of Japan, 1987, vol. 60, # 11, p. 4187 - 4189
[5] Synthetic Communications, 2010, vol. 40, # 6, p. 868 - 876
4-Bromo-2,5-dimethylphenol Preparation Products And Raw materials
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