This chemical is called Diphenyl isononyl phosphinate, and its systematic name is diphenyl (7-methyloctyl)phosphonate. With the molecular formula of C₂₁H₂₉O₃P, its molecular weight is 344.43. The CAS registry number of this chemical is 28878-99-1.

Other characteristics of the Diphenyl isononyl phosphinate can be summarised as followings: (1)ACD/LogP: 6.71; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.71; (4)ACD/LogD (pH 7.4): 6.71; (5)ACD/BCF (pH 5.5): 74610.73; (6)ACD/BCF (pH 7.4): 74610.73; (7)ACD/KOC (pH 5.5): 107036.4; (8)ACD/KOC (pH 7.4): 107036.4; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 11; (12)Polar Surface Area: 45.34 Å²; (13)Index of Refraction: 1.521; (14)Molar Refractivity: 103.07 cm³; (15)Molar Volume: 338.4 cm³; (16)Polarizability: 40.86×10^-24cm³; (17)Surface Tension: 38.6 dyne/cm; (18)Density: 1.065 g/cm³; (19)Flash Point: 239.3 °C; (20)Enthalpy of Vaporization: 68.15 kJ/mol; (21)Boiling Point: 450 °C at 760 mmHg; (22)Vapour Pressure: 7.27E-08 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=P(Oc1ccccc1)(Oc2ccccc2)CCCCCCC(C)C
2.InChI: InChI=1/C21H29O3P/c1-19(2)13-7-3-4-12-18-25(22,23-20-14-8-5-9-15-20)24-21-16-10-6-11-17-21/h5-6,8-11,14-17,19H,3-4,7,12-13,18H2,1-2H3
3.InChIKey: TUGVGUUUPWVRJR-UHFFFAOYAO