- Diphenylphosphine
- Diphenylphosphine oxide
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| Name |
Diphenylphosphine oxide |
EINECS | 625-671-2 |
| CAS No. | 4559-70-0 | Density | N/A |
| PSA | 40.54000 | LogP | 2.19710 |
| Solubility | Slightly soluble in water. | Melting Point |
56-57 °C(lit.) |
| Formula | C12H11OP | Boiling Point | 329.217 °C at 760 mmHg |
| Molecular Weight | 202.193 | Flash Point | 152.905 °C |
| Transport Information | N/A | Appearance | Yellow to light orange crystals |
| Safety | 26 | Risk Codes | 22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
NSC 77604; |
Article Data | 111 |
Diphenylphosphine oxide Chemical Properties
IUPAC Name: Oxo(diphenyl)phosphanium
Empirical Formula: C12H11OP
Molecular Weight: 202.1889
Canonical SMILES: C1=CC=C(C=C1)[P+](=O)C2=CC=CC=C2
InChI: InChI=1S/C12H10OP/c13-14(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H/q+1
InChIKey: YFPJFKYCVYXDJK-UHFFFAOYSA-N
XLogP3-AA: 2.5
H-Bond Donor: 0
H-Bond Acceptor: 1
Melting Point: 56-57 °C(lit.)
Refractive index: 1.608-1.61
Sensitive: Moisture Sensitive
Flash Point: 152.9 °C
Enthalpy of Vaporization: 54.9 kJ/mol
Boiling Point: 329.2 °C at 760 mmHg
Vapour Pressure: 0.000345 mmHg at 25 °C
Product Categories of Phosphine oxide,diphenyl- (CAS NO.4559-70-0): Pharmaceutical Intermediates; Catalysis and Inorganic Chemistry; Phosphorus Compounds; Phosphorus Precursors
Diphenylphosphine oxide Safety Profile
Hazard Codes: 
Xn
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany of Phosphine oxide,diphenyl- (CAS NO.4559-70-0): 2
Diphenylphosphine oxide Specification
Phosphine oxide,diphenyl- (CAS NO.4559-70-0), its Synonyms are Diphenylphosphaneoxide ; Diphenylphosphinigsaure ; Diphenylphosphinit ; Diphenylphosphinous acid ; Phosphorane, diphenyl-, oxide . It is yellow to light orange crystals.
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