2,5-Diphenyloxazole
SIGMA/D4630 - suitable for liquid scintillation spectrometry
Synonym: DPO; PPO
CAS Number: 92-71-7
Empirical Formula (Hill Notation): C15H11NO
Molecular Weight: 221.25
EC Number: 202-181-3
MDL Number: MFCD00005306
Linear Formula: C15H11NO
Product Type: Chemical
| bp | 360 °C (lit.) |
| form | powder |
| InChI | 1S/C15H11NO/c1-3-7-12(8-4 |
| InChI key | CNRNYORZJGVOSY-UHFFFAOYSA |
| mp | 72-74 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | c1ccc(cc1)-c2cnc(o2)-c3cc |
| suitability | suitable for liquid scintillation spectrometry |
| Application: | 2,5-Diphenyloxazole (PPO) can be used in: • fluorography techniques for the detection of tritium, tritiated glycopeptides, and 35S labeled proteins. • liquid scintillation cocktails as primary and secondary fluors. |
| General description: | 2,5-Diphenyloxazole (also known as PPO or p-phenylphenoxazole) is a fluorescent organic compound. It can be also used as an organic scintillator due to its high photoluminescence quantum yield and intriguing luminescent properties. It is widely used as a fluorescent probe or dye in analytical chemistry and biochemistry. |
| Packaging: | 1 kg in poly drum |
| Packaging: | 100, 500 g in poly bottle |
| Hazard Codes | Xn |
| Risk Statements | 22-36 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | 386.6 - 393.8 °F - closed c |
| Flash Point(C) | 197 - 201 °C - closed cup |
| bp | 360 °C (lit.) |
| mp | 72-74 °C (lit.) |
| UNSPSC | 12352100 |

