CAS No: 791-28-6, Chemical Name: Triphenylphosphine oxide
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791-28-6 Triphenylphosphine oxide

product Name Triphenylphosphine oxide
Synonyms Ph3P=O; phosphorane, triphenyl-, oxide; phosphorus(1+), hydroxytriphenyl-, inner salt; Triphenylphosphan-oxid; Triphenylphosphineoxide; Triphenylphosphoniumolate; triphenylphosphane oxide
Molecular Formula C18H15OP
Molecular Weight 278.2849
InChI InChI=1/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
CAS Registry Number 791-28-6
EINECS 212-338-8
Molecular Structure 791-28-6 Triphenylphosphine oxide
Density 1.17g/cm3
Melting point 154-158℃
Boiling point 462.9°C at 760 mmHg
Refractive index 1.619
Flash point 233.8°C
Water solubility slightly soluble
Vapour Pressur 2.62E-08mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R22:;
R52/53:;
Safety Description S61:;