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CAS 15596-07-3 chemical formula,CAS 15596-07-3 MSDS,CAS 15596-07-3 chemical properties

CAS Number 15596-07-3
chem name (Triphenylphosphoranylidene)ketene
formula C20H15 O P
synonyms Ethenone,(triphenylphosphoranylidene)- (9CI); Ketene, (triphenylphosphoranylidene)-(8CI); (Triphenylphosphoranylidene)ethenone;(Triphenylphosphoranylidene)ketene; Bestmann ylide;Ketenylidene(triphenyl)phosphorane; NSC 620573;Oxovinylidenetriphenylphosphorane; Triphenyl(ketenylidene)phosphorane

CAS Number 15596-07-3 properties (MSDS)


Molecular Structure of (Triphenylphosphoranylidene)ketene (CAS NO.15596-07-3):

Systematic Name: (Triphenyl-lambda~5~-phosphanylidene)ethenone 
Molecular Formula: C20H15OP
Molecular Weight: 302.31
CAS Registry Number: 15596-07-3 
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 3
Index of Refraction: 1.604
Molar Refractivity: 92.28 cm3
Molar Volume: 268 cm3
Surface Tension: 29.5 dyne/cm
Density: 1.12 g/cm3 
Melting Point: 171 °C
Flash Point: 229.2 °C
Enthalpy of Vaporization: 71.51 kJ/mol
Boiling Point: 455.4 °C at 760 mmHg
Vapour Pressure: 1.77E-08 mmHg at 25 °C
SMILES: O=C=C=P(c1ccccc1)(c2ccccc2)c3ccccc3
InChI: InChI=1/C20H15OP/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20/h1-15H