Triphenylphosphine oxide
SIAL/08902 - analytical standard
Synonym: Ph3PO; TPPO; Triphenyl phosphorus oxide; Triphenylphosphine monoxide
CAS Number: 791-28-6
Empirical Formula (Hill Notation): C18H15OP
Molecular Weight: 278.28
EC Number: 212-338-8
MDL Number: MFCD00002080
Linear Formula: (C6H5)3PO
Product Type: Chemical
| application(s) | pharmaceutical |
| assay | ≥98.5% (HPLC) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C18H15OP/c19-20(16-10- |
| InChI key | FIQMHBFVRAXMOP-UHFFFAOYSA |
| mp | 150-157 °C (lit.) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | O=P(c1ccccc1)(c2ccccc2)c3 |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Analysis Note: | The purity is calculated based on the principle of mass balance and is mentioned on the CoA |
| Other Notes: | Ion Mobility: TWCCSN2 value of 160 Å2 [M+H]+ and 179.6 Å2 [M+Na]+ The collision cross section (CCS) measurement was provided by Waters Corporation, using the SYNAPT XS mass spectrometer. For a description and overview of how ion mobility enables the measurement of the CCS of an ion visit ims.waters.com  . Further information on the SYNAPT XS mass spectrometer can be found on the IMS microsite and product webpage. TWCCS measurements are expected to be within 2% of this reference value. P/N 08902 is part of the Waters Extractables & Leachables UNIFI scientific library which can be downloaded from Waters Marketplace. |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H412 |
| Precautionary statements | P264 - P270 - P273 - P301 + P312 - P501 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | 356.0 °F |
| Flash Point(C) | 180 °C |
| Purity | ≥98.5% (HPLC) |
| mp | 150-157 °C (lit.) |
| UNSPSC | 77101502 |