2-Phenylbenzoxazole
- CAS NO.：833-50-1
- Empirical Formula: C13H9NO
- Molecular Weight: 195.22
- MDL number: MFCD00012183
- EINECS: 623-301-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-16 09:55:36
What is 2-Phenylbenzoxazole?
Chemical properties
light yellow-beige crystalline powder
Synthesis Reference(s)
Chemical and Pharmaceutical Bulletin, 12, p. 1135, 1964
Chemistry Letters, 20, p. 1275, 1991
Tetrahedron, 53, p. 457, 1997 DOI: 10.1016/S0040-4020(96)01009-5
General Description
2-Phenylbenzoxazole is present as a hydrophobic fluorospore in the fluorescent molecular sensors AS1-3. The synthesis and microbiological activity of a new series of 5-benzamido- and 5-phenylacetamidosubstituted-2-phenylbenzoxazole derivatives were studied.
Properties of 2-Phenylbenzoxazole
| Melting point: | 102-104 °C(lit.) |
| Boiling point: | 331.88°C (rough estimate) |
| Density | 1.1266 (rough estimate) |
| refractive index | 1.6060 (estimate) |
| Water Solubility | Insoluble in water |
| form | powder to crystal |
| pka | 1.15±0.10(Predicted) |
| color | White to Light yellow to Dark green |
| λmax | 310nm(EtOH)(lit.) |
| CAS DataBase Reference | 833-50-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoxazole, 2-phenyl-(833-50-1) |
| EPA Substance Registry System | Benzoxazole, 2-phenyl- (833-50-1) |
Safety information for 2-Phenylbenzoxazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Phenylbenzoxazole
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