The Phosphorous acid,didecyl phenyl ester, with CAS registry number of 1254-78-0, is also known as Didecyl phenyl phosphite. Its EINECS number is 215-012-3. Its IUPAC name is didecyl phenyl phosphite.

Physical properties about this chemical are: (1) ACD/LogP: 13.49; (2) # of Rule of 5 Violations: 1; (3) ACD/LogD (pH 5.5): 13.49; (4) ACD/LogD (pH 7.4): 13.49 ; (5) ACD/BCF (pH 5.5): 1000000; (6) ACD/BCF (pH 7.4): 1000000 ; (7) ACD/KOC (pH 5.5): 10000000; (8) ACD/KOC (pH 7.4): 10000000; (9) #H bond acceptors: 3; (10) #H bond donors: 0 ; (11) #Freely Rotating Bonds: 22; (12) Polar Surface Area: 41.28 Å²; (13) Flash Point: 301.6 °C; (14) Enthalpy of Vaporization: 71.15 kJ/mol; (15) Boiling Point: 476.1 °C at 760 mmHg; (16) Vapour Pressure: 9.04E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES:O(P(Oc1ccccc1)OCCCCCCCCCC)CCCCCCCCCC;
(2)InChI:InChI=1/C26H47O3P/c1-3-5-7-9-11-13-15-20-24-27-30(29-26-22-18-17-19-23-26)28-25-21-16-14-12-10-8-6-4-2/h17-19,22-23H,3-16,20-21,24-25H2,1-2H3;
(3)InChIKey:NMAKPIATXQEXBT-UHFFFAOYAU