2,5-DIPHENYL-1,3,4-OXADIAZOLE
- CAS NO.：725-12-2
- Empirical Formula: C14H10N2O
- Molecular Weight: 222.24
- MDL number: MFCD00003102
- EINECS: 211-968-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:07:59
What is 2,5-DIPHENYL-1,3,4-OXADIAZOLE?
Chemical properties
white powder
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 14, p. 1089, 1977 DOI: 10.1002/jhet.5570140631
The Journal of Organic Chemistry, 27, p. 1465, 1962 DOI: 10.1021/jo01051a523
Purification Methods
Its solubility in CHCl3 is 10%. Crystallise it from EtOH and sublime it in vacuo.[Beilstein 27 III/IV 2712.]
Properties of 2,5-DIPHENYL-1,3,4-OXADIAZOLE
| Melting point: | 138-140 °C(lit.) |
| Boiling point: | 231 °C13 mm Hg(lit.) |
| Density | 1.1400 (rough estimate) |
| refractive index | 1.6500 (estimate) |
| Flash point: | 231°C/13mm |
| storage temp. | Store below +30°C. |
| solubility | chloroform: 0.1 g/mL, clear |
| form | Powder |
| pka | -5.04±0.32(Predicted) |
| color | White |
| BRN | 170385 |
| CAS DataBase Reference | 725-12-2(CAS DataBase Reference) |
Safety information for 2,5-DIPHENYL-1,3,4-OXADIAZOLE
| Signal word | Warning |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P321:Specific treatment (see … on this label). P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,5-DIPHENYL-1,3,4-OXADIAZOLE
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