The Phosphorotrithiousacid, tridodecyl ester, with CAS registry number of 1656-63-9, is also known as Tridodecyl phosphorotrithioite. Its IUPAC name is tris(dodecylsulfanyl)phosphane. Its molecular formula is C₃₆H₇₅PS₃, and its molecular weight is 635.149461.

Physical properties about this chemical are: (1) ACD/LogP: 21.45; (2) # of Rule of 5 Violations: 2; (3) ACD/Log D (pH5.5): 21.45; (4) ACD/LogD (pH7.4): 21.45; (5) ACD/BCF (pH5.5): 1000000; (6) ACD/BCF (pH7.4): 1000000; (7) ACD/KOC (pH5.5): 10000000; (8) ACD/KOC (pH7.4): 10000000; (9) # H bond acceptors: 0; (10) # H bond donors: 0; (11) # Freely Rotating Bonds: 36; (12) Polar Surface Area: 89.49 Ų; (13) Flash Point: 357.7 °C; (14) Enthalpy of Vaporization: 94.62 kJ/mol; (15) Boiling Point: 667.8 °C at 760mmHg; (16) Vapour Pressure: 5.93E-17 mmHg at 25°C.  

Uses of Phosphorotrithiousacid, tridodecyl ester:  it can be used to produce other chemicals. For example, it can react with toluene-4-sulfonic acid to get n-Dodecyl-p-toluolthiolsulfonat. The reaction occurs under the condition of benzene as solvent  and other condition of heating for 15 hours. The yield is 42%.   

When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin and harmful by inhalation, in contact with skin and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In addition, please wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES:S(P(SCCCCCCCCCCCC)SCCCCCCCCCCCC)CCCCCCCCCCCC
(2)InChI:InChI=1/C36H75PS3/c1-4-7-10-13-16-19-22-25-28-31-34-38-37(39-35-32-29-26-23-20-17-14-11-8-5-2)40-36-33-30-27-24-21-18-15-12-9-6-3/h4-36H2,1-3H3
(3)InChIKey:JZNDMMGBXUYFNQ-UHFFFAOYAV