The Bis(2-ethylhexyl) phosphate, with the CAS registry number 298-07-7 and EINECS registry number 206-056-4, has the systematic name and IUPAC name of bis(2-ethylhexyl) hydrogen phosphate. It is a kind of clear colorless to light yellow liquid, and belongs to the following product categories of Industrial/Fine Chemicals and Organics. And the molecular formula of this chemical is C₁₆H₃₅O₄P. What's more, it is usually used as plasticizer and solvent in the synthesis of plastic.

The physical properties of Bis(2-ethylhexyl) phosphate are as followings: (1)ACD/LogP: 6.09; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.7; (4)ACD/LogD (pH 7.4): 2.59; (5)ACD/BCF (pH 5.5): 10.17; (6)ACD/BCF (pH 7.4): 7.87; (7)ACD/KOC (pH 5.5): 19.95; (8)ACD/KOC (pH 7.4): 15.44; (9)#H bond acceptors: 4; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 14; (12)Polar Surface Area: 54.57 Å²; (13)Index of Refraction: 1.449; (14)Molar Refractivity: 87.99 cm³; (15)Molar Volume: 327.7 cm³; (16)Polarizability: 34.88×10^-24cm³; (17)Surface Tension: 34 dyne/cm; (18)Density: 0.983 g/cm³; (19)Flash Point: 191.7 °C; (20)Enthalpy of Vaporization: 70.61 kJ/mol; (21)Boiling Point: 393.4 °C at 760 mmHg; (22)Vapour Pressure: 2.75E-07 mmHg at 25°C.

Preparation: First, 2-Ethylhexyl alcohol react with phosphorus to produce iso-octyl phosphate chloride, and it is a esterification reaction. Second, dissove the iso-octyl phosphate chloride with lye. Third, acidified it with sulfuric acid.
2C₈H₁₇OH+POCl₃→(C₈H₁₇)₂POCl+2HCl 
C₈H₁₇)₂POCl+NaOH→(C₈H₁₇)₂POONa+HCl 
(C₈H₁₇)₂POONa+H₂SO₄→(C₈H₁₇)₂POOH+Na₂SO₄

You should be cautious while dealing with this chemical. It is harmful in contact with skin, and may cause burns. Therefore, you had better take the following instructions: Avoid contact with eyes; Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: O=P(OCC(CC)CCCC)(OCC(CCCC)CC)O
(2)InChI: InChI=1/C16H35O4P/c1-5-9-11-15(7-3)13-19-21(17,18)20-14-16(8-4)12-10-6-2/h15-16H,5-14H2,1-4H3,(H,17,18)
(3)InChIKey: SEGLCEQVOFDUPX-UHFFFAOYAP

The toxicity data is as follows: