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In the present work P V T data of the C 60 fullerene aqueous solution (C 60 FAS) were measured as a function of the concentration of C 60 molecules using the variable cell method with metal bellows in the temperature range from 295 to 360 K at pressures from 0.1 to 103.2 MPa. On the liquid-vapor equilibrium line the density (ρ) of the C 60 FAS was measured using the pycnometer method. As a result, numerical values for the isothermal modulus of elasticity (K T ), isobaric expansivity (α P ), isothermal deviation of entropy factor (T ∆S), enthalpy (∆H ), and internal energy (∆U ) have been determined. Finally, an equation of state for the C 60 FAS was obtained for the first time.