The CAS register number of Phosphine,(4-ethenylphenyl)diphenyl- is 40538-11-2. It also can be called as Diphenyl(2-vinylphenyl)phosphine and the systematic name about this chemical is (2-ethenylphenyl)(diphenyl)phosphane. The molecular formula about this chemical is C₂₀H₁₇P and the molecular weight is 288.32.

Physical properties about Phosphine,(4-ethenylphenyl)diphenyl- are: (1)ACD/LogP: 6.17; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.17; (4)ACD/LogD (pH 7.4): 6.17; (5)ACD/BCF (pH 5.5): 28858.5; (6)ACD/BCF (pH 7.4): 28858.5; (7)ACD/KOC (pH 5.5): 54231.13; (8)ACD/KOC (pH 7.4): 54231.13; (9)#Freely Rotating Bonds: 4; (10)Polar Surface Area: 13.59Ų; (11)Flash Point: 206.9 °C; (12)Enthalpy of Vaporization: 62.61 kJ/mol; (13)Boiling Point: 400.6 °C at 760 mmHg; (14)Vapour Pressure: 2.9E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: c3c(P(c1ccccc1)c2ccccc2\C=C)cccc3
(2)InChI: InChI=1/C20H17P/c1-2-17-11-9-10-16-20(17)21(18-12-5-3-6-13-18)19-14-7-4-8-15-19/h2-16H,1H2
(3)InChIKey: UOYOTHRZSRWQNP-UHFFFAOYAA
(4)Std. InChI: InChI=1S/C20H17P/c1-2-17-11-9-10-16-20(17)21(18-12-5-3-6-13-18)19-14-7-4-8-15-19/h2-16H,1H2
(5)Std. InChIKey: UOYOTHRZSRWQNP-UHFFFAOYSA-N