Density, speed of sound, viscosity, refractive index, surface tension and solubility of С60[C(COOH)2]3

Abstract In this paper, experimental data on different physicochemical properties of С 60 [C(COOH) 2 ] 3 aqueous solutions are presented. Concentration and temperature dependences on density ( ρ ), viscosity ( η ), refractive index ( n D ), speed of sound ( u ), surface tension ( γ ), as well as nanoparticle size dimensions ( δ i ) of water solutions were obtained and characterized. The obtained T - x dependences of density, viscosity, refraction index and speed of sound were correlated using fourth-order polynomial equation. Moreover, the solubility diagram of carboxylated fullerene derivative in ternary system С 60 [C(COOH) 2 ] 3 –NaCl–H 2 O at T  = 298.15 K was investigated.