- InChI
- InChI=1S/C18H15OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
- InChI Key
- FIQMHBFVRAXMOP-UHFFFAOYSA-N
- Formula
- C18H15OP
- SMILES
-
O=P(c1ccccc1)(c1ccccc1)c1ccccc
1 - Molecular Weight1
- 278.28
- CAS
- 791-28-6
- Other Names
-
- (C6H5)3P=O
- (C6H5)3PO
- Triphenylphosphanoxid
- Triphenylphosphanoxide
- phosphine oxide, triphenyl-
- triphenyl phosphorus oxide
- triphenylphosphine monoxide
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 906.20 | kJ/mol | NIST |
| BasG | 876.40 | kJ/mol | NIST |
| ΔsubH° | 66.00 ± 6.00 | kJ/mol | NIST |
| log10WS | -18.12 | Crippen Calculated Property | |
| logPoct/wat | 3.326 | Crippen Calculated Property | |
| McVol | 219.530 | ml/mol | McGowan Calculated Property |
| Inp | [2561.00; 2576.00] |
|
|
| Inp | 2561.00 | NIST | |
| Inp | 2576.00 | NIST | |
| Tfus | [428.00; 431.90] | K |
|
| Tfus | 429.60 ± 0.30 | K | NIST |
| Tfus | 431.90 ± 0.50 | K | NIST |
| Tfus | 429.00 ± 1.00 | K | NIST |
| Tfus | 428.00 ± 4.00 | K | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | [317.00; 470.00] | J/mol×K | [298.00; 314.00] |
|
| Cp,solid | 470.00 | J/mol×K | 298.00 | NIST |
| Cp,solid | 317.00 | J/mol×K | 298.15 | NIST |
| Cp,solid | 339.00 | J/mol×K | 314.00 | NIST |
| ΔfusH | [23.40; 24.22] | kJ/mol | [429.00; 431.90] |
|
| ΔfusH | 23.80 | kJ/mol | 429.00 | NIST |
| ΔfusH | 23.40 | kJ/mol | 429.60 | NIST |
| ΔfusH | 24.22 | kJ/mol | 431.90 | NIST |
| ΔfusH | 24.22 | kJ/mol | 431.90 | NIST |
| ΔfusH | 24.22 | kJ/mol | 431.90 | NIST |
| ΔsubH | 131.00 ± 2.00 | kJ/mol | 399.00 | NIST |
| ΔfusS | [56.08; 95.60] | J/mol×K | [429.00; 431.90] |
|
| ΔfusS | 95.60 | J/mol×K | 429.00 | NIST |
| ΔfusS | 56.08 | J/mol×K | 431.90 | NIST |
Similar Compounds
Find more compounds similar to Triphenylphosphine oxide.
Mixtures
- Toluene + Triphenylphosphine oxide
- Benzene + Triphenylphosphine oxide
- Ethyl Acetate + Triphenylphosphine oxide
- Benzene + Ethyl Acetate + Triphenylphosphine oxide
- Toluene + Ethyl Acetate + Triphenylphosphine oxide
- Benzene + Toluene + Triphenylphosphine oxide
Sources
- Crippen Method
- Crippen Method
- Solubilities of Triphenylphosphine Oxide in Selected Solvents
- McGowan Method
- NIST Webbook
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