ChemicalBook > CAS DataBase List > 4-Phenyloxazole
4-Phenyloxazole
- Product Name
- 4-Phenyloxazole
- CAS No.
- 20662-89-9
- Chemical Name
- 4-Phenyloxazole
- Synonyms
- 4-Phenyloxazole;Oxazole, 4-phenyl-
- CBNumber
- CB02207951
- Molecular Formula
- C9H7NO
- Formula Weight
- 145.16
- MOL File
- 20662-89-9.mol
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4-Phenyloxazole Property
- Melting point:
- 116-119℃
- Boiling point:
- 262℃
- Density
- 1.110
- Flash point:
- 103℃
- storage temp.
- 2-8°C
- pka
- 0.26±0.10(Predicted)
- Appearance
- Light yellow to yellow Solid-Liquid Mixture
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Safety
- HS Code
- 2934999090
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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.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
TRC
- Product number
- P321038
- Product name
- 4-Phenyloxazole
- Packaging
- 100mg
- Price
- $60
- Updated
- 2021/12/16
Apolloscientific
- Product number
- OR346522
- Product name
- 4-Phenyloxazole
- Purity
- 95+%
- Packaging
- 1g
- Price
- $182
- Updated
- 2021/12/16
American Custom Chemicals Corporation
- Product number
- CHM0390315
- Product name
- 4-PHENYLOXAZOLE
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $500.7
- Updated
- 2021/12/16
Medical Isotopes, Inc.
- Product number
- 35360
- Product name
- 4-Phenyloxazole
- Purity
- 95+%
- Packaging
- 1g
- Price
- $550
- Updated
- 2021/12/16
AK Scientific
- Product number
- W4342
- Product name
- 4-Phenyloxazole
- Packaging
- 5g
- Price
- $583
- Updated
- 2021/12/16
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4-Phenyloxazole Chemical Properties,Usage,Production
Synthesis
16712-16-6
70-11-1
20662-89-9
The general procedure for synthesizing 4-phenyloxazole from the compound (CAS:16712-16-6) and 2-bromoacetophenone is as follows: referring to the method of Example 12, benzoyl bromide (4 g, 20.1 mmol) was dissolved in formic acid with ammonium formate (44 g, 70.35 mmol). The acid solution (20 mL) was heated to reflux for 5 hours. After completion of the reaction, the dark red mixture was cooled to room temperature, diluted with water and alkalized with dilute sodium hydroxide solution. Subsequently, the mixture was extracted with ethyl acetate (three times), the organic layers were combined and washed sequentially with water and brine, dried over anhydrous sodium sulfate and concentrated under reduced pressure to remove the solvent. The residue was purified by column chromatography on silica gel (60-120 mesh) with 20% ethyl acetate-petroleum ether as eluent to give the final 4-phenyloxazole (1 g, 34% yield), the product was a light yellow oil and cured at -20 °C.
References
[1] Journal of Organic Chemistry, 1990, vol. 55, # 3, p. 929 - 935
[2] Chemistry - A European Journal, 2016, vol. 22, # 13, p. 4384 - 4388
[3] Patent: WO2008/62182, 2008, A1. Location in patent: Page/Page column 113
[4] Bioorganic and Medicinal Chemistry, 2006, vol. 14, # 7, p. 2209 - 2224
4-Phenyloxazole Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 4-Phenyloxazole manufacturers
Career Henan Chemical Co
- Product
- 4-Phenyloxazole 20662-89-9
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 100kg
- Release date
- 2020-01-14